Delta Will Fly Airbus A350s From Seattle As Of 2025

Delta Will Fly Airbus A350s From Seattle As Of 2025

106

Competition in Seattle is heating up across the Pacific, as Delta is upgrading several routes to its flagship aircraft.

Delta replaces A330-900neos with A350-900s in Seattle

Delta has a hub in Seattle (SEA), whereby the airline flies both cross the Atlantic and Pacific. Transatlantic destinations include Amsterdam (AMS), London (LHR), and Paris (CDG), while transpacific destinations include Seoul (ICN), Shanghai (PVG), Taipei (TPE), and Tokyo (HND). Currently, these routes are generally operated by Airbus A330-900neos.

However, as of 2025, Delta will be upgrading three of its Seattle transpacific routes from Airbus A330-900neos to Airbus A350-900s, as reported by @aeroroutes:

  • The Taipei Taoyuan route will be upgraded as of March 29, 2025
  • The Seoul Incheon route will be upgraded as of March 29, 2025
  • The Tokyo Haneda route will be upgraded as of May 23, 2025

The A350 is considered Delta’s flagship aircraft. So, how will these aircraft upgrades impact capacity?

  • Delta’s A330-900neos feature 281 seats, including 29 business class seats, 28 premium economy seats, and 224 economy seats
  • Delta’s standard A350-900s feature 306 seats, including 32 business class seats, 48 premium economy seats, and 226 economy seats
  • Delta’s new premium A350-900s feature 275 seats, including 40 business class seats, 40 premium economy seats, and 195 economy seats

As you can see, across the board the A350 represents a significant increase in premium capacity, while it represents either a tiny increase in economy capacity, or even a reduction. While both aircraft types have Delta One Suites, the A350-900 has a better product than the A330-900neo.

Delta will base Airbus A350s in Seattle

Why is Delta adding Airbus A350 service in Seattle now?

Why is Delta suddenly upgrading some of its Seattle flights to A350s? I would imagine there are a couple of factors at play.

For one, I assume this is in response to the “battle in Seattle” between Alaska and Delta. Alaska recently announced plans to turn Seattle into a global gateway, starting with launching Tokyo Narita (NRT) flights as of May 2025. Alaska certainly has a very loyal following in Seattle, and also a massive network of connectivity.

Until now, Delta has been the dominant long haul carrier in Seattle, despite not having as loyal of a following in the Pacific Northwest, and also not having as extensive of a connecting network in the United States. Obviously Delta is going to try to compete, though it remains to be seen how this all plays out.

I assume there’s another factor at play here, though. Delta will be taking delivery of a number of A350-900s in the coming months. On top of that, Delta is reconfiguring its ex-LATAM A350s to have a more competitive product, so that they can start serving routes that are less leisure oriented.

Delta is reconfiguring its ex-LATAM A350s

Now, I am very curious to see how this equipment upgrade works out:

  • Delta doesn’t need the incremental range of the A350-900 out of Seattle, unlike for long haul flights in some other markets
  • Delta’s Taipei load factors have been abysmal over many months, and I can’t imagine the route is making any money; heck, Delta even keeps having award sales for business class on this route, which almost never happens in other markets
  • So I wonder if this capacity upgrade reflects actual success for Delta in the market, or if the airline is essentially going “all-in” to try to gain market share in Seattle, as part of a competitive response
The A350 represents a premium capacity upgrade

Bottom line

As of the spring of 2025, Delta will be upgrading three of its transpacific routes from the Airbus A330-900neo to the Airbus A350-900. This represents a significant increase in premium capacity. I imagine the timing here is no coincidence, given that Alaska is also launching long haul flights from Seattle. This is all great news for consumers, as more capacity will hopefully lead to lower fares.

What do you make of Delta upgrading some Seattle routes to the A350?

Conversations (106)
The comments on this page have not been provided, reviewed, approved or otherwise endorsed by any advertiser, and it is not an advertiser's responsibility to ensure posts and/or questions are answered.
Type your response here.

If you'd like to participate in the discussion, please adhere to our commenting guidelines. Anyone can comment, and your email address will not be published. Register to save your unique username and earn special OMAAT reputation perks!

  1. YR Guest

    One key advantage for Alaska in the near-term is their marginal cost is very low. It doesn’t really matter if SEA-NRT is profitable, it just needs to do better than HNL-NRT. Same thing for SEA-ICN vs AUS-HNL. The A330s are much much cheaper cost of ownership than Delta dedicating brand new A350s.

    One of the biggest reasons why AS has been so successful “playing defense” in Seattle is lower unit costs. AS can profitably...

    One key advantage for Alaska in the near-term is their marginal cost is very low. It doesn’t really matter if SEA-NRT is profitable, it just needs to do better than HNL-NRT. Same thing for SEA-ICN vs AUS-HNL. The A330s are much much cheaper cost of ownership than Delta dedicating brand new A350s.

    One of the biggest reasons why AS has been so successful “playing defense” in Seattle is lower unit costs. AS can profitably support service in markets that are unprofitably for Delta at a higher cost-base. The strategy has never been to beat Delta on revenues, it’s to beat them on costs and flood the market with enough seats that Delta makes little to no profit. I’d imagine TPAC Seattle service turns into a bit of a bloodbath over the coming years. Likely unprofitable for both carriers. But again that’s the strategy - if Alaska can take away Delta’s sole reason for staying in Seattle (profitable international service) then the marginal costs/benefit equation changes and SLC/LAX might look more attractive to FL.

    2 more replies
  2. yoloswag420 Guest

    Latest longhaul data for Delta’s SEA in August. Overall, it’s pretty solid, which is what I’ve been saying, which is SEA performs well internationally for Delta, even if domestically they don’t. This is why Delta keeps SEA around because they are unable to perform at this level with LAX. SEA does have routes that outperform interior hubs as well.

    SEA-LHR: 91%
    SEA-CDG: 94%
    SEA-AMS: 93%
    SEA-HND: 88.5%
    SEA-ICN: 90%
    SEA-PVG:...

    Latest longhaul data for Delta’s SEA in August. Overall, it’s pretty solid, which is what I’ve been saying, which is SEA performs well internationally for Delta, even if domestically they don’t. This is why Delta keeps SEA around because they are unable to perform at this level with LAX. SEA does have routes that outperform interior hubs as well.

    SEA-LHR: 91%
    SEA-CDG: 94%
    SEA-AMS: 93%
    SEA-HND: 88.5%
    SEA-ICN: 90%
    SEA-PVG: 86%
    SEA-TPE: 79%

    LHR data was lagging, as LAX had only been recently cut, looks like the axeing of LAX has helped significantly. Virgin Atlantic will also be bringing its flagship A330neo products (finally) to SEA next October in NW 2025.

    TPE is still weak, but has rebounded significantly, the 50 to 60% LFs were partially due to seasonality. But also Taiwanese carriers, especially BR are just way too strong. The retiming of the flight should also help US domestic connections both on the outbound and inbound. The shift to the A350 like the topic of this article will help with the premium leaning market base as well.

    11 more replies
  3. Eskimo Guest

    A350 cruises faster?

    Tim, you really run out of material to fluff?

    We know you're losing it when you declared a few days ago "the reality is that **I** win."

    I guess we'll be seeing Tim's fluff that the most profitable premium A350-1000 is going supersonic from ATL to dominate SEA based on DOT and earnings call soon?

    7 more replies
  4. TPEaviator Guest

    The abysmal load factor on TPE route can not reflect that front cabins (D1 & PS) are in general sold much better than economy. Not sure if that is due to coportate contracts. As long as DL can sell 80% of those premium seats up front regularly, they might endure ~50% load factor before peak season arrives.

    1 more reply
  5. SuperDash Guest

    It is a response to Alaska…they read the tea leaves…faster 787s are coming to Seattle. Protect Tokyo and Seoul now. Taipai needs the 350 for performance…HND/ICN dont

  6. Tim Guest

    I've flown both DL and JX out of TPE and JX has by far the better aircraft, food, and service. DL has better departure times from SEA, however.

    Wishing good luck to DL. You're going to need it.

  7. Tim Dunn Diamond

    another factor besides the A350's greater cargo carrying capability is that the A350 cruises faster than the A330NEO. Not only will Delta reduce its crew costs (DL pilots and FAs are paid the same per hour on the 330 and 350) but their connecting flights will show up higher in competitive flight displays, taking advantage of Seattle's good geography.

    DL is highly driven by numbers so you can bet they know what they will save...

    another factor besides the A350's greater cargo carrying capability is that the A350 cruises faster than the A330NEO. Not only will Delta reduce its crew costs (DL pilots and FAs are paid the same per hour on the 330 and 350) but their connecting flights will show up higher in competitive flight displays, taking advantage of Seattle's good geography.

    DL is highly driven by numbers so you can bet they know what they will save in costs as well as the additional revenue.

    btw, in all of the discussions about SEA-TPE, DL retimed the flight sometime in the past couple months to maximize connections at SEA with a 3 pm dept from SEA and an 11 am dept from TPE. In fact, DL's SEA-TPE flight times are now at some of the most pleasant times other than DL's DTW ICN and HND flights.

    2 more replies
  8. Art Guest

    The Battle for Seattle is ON!

    *gets popcorn*

    1. Tim Dunn Diamond

      You might want to keep an eye on the DOT's Air Travel Consumer Report.

      The November edition came out today; it includes data for flights through September.

      AS' on-time was 9 out of 10 carriers with only Frontier worse.
      HA, as usual is at the top but DL is #2 as it usually is.
      UA was only 1 point behind DL with WN only 1 point behind UA.
      B6 moved up to...

      You might want to keep an eye on the DOT's Air Travel Consumer Report.

      The November edition came out today; it includes data for flights through September.

      AS' on-time was 9 out of 10 carriers with only Frontier worse.
      HA, as usual is at the top but DL is #2 as it usually is.
      UA was only 1 point behind DL with WN only 1 point behind UA.
      B6 moved up to 7th place.

      Notably, DL's on-time was 10 points better than AS in SEA as well as in DL hubs. UA was 10 points better than AS in UA hubs.

      On a year to date basis, AS is #5 out of 10, behind HA, DL, UA and WN.

      in every metric the DOT tracks including cancellations, baggage and wheelchair mishandling, and invol oversales, AS is mid to lower tier.

      I don't know what is going on at AS but B6 lost the battle for premium passengers with DL when its operation began to consistently lag DL's by significant margins.
      10 points difference in on-time between AS and both DL and UA on the west coast matters alot.
      When you are lagging WN, your operations are not where they need to be.

      has SEA already become so congested that AS can't handle it? If so, adding widebodies and even more passengers might not be the formula for AS to turn things around.

  9. NK3 Diamond

    What objective evidence do we have that TPE has "abysmal" load factors? Anecdotes that a couple people said their flight wasn't that full? An occasional award ticket that is not horrendously priced? When I do anecdotal spot checks of the seat map on SEA-TPE and compare it to SEA-HND and SEA-ICN, they look pretty similar in the next month or two. A little better than SEA-PVG. Tomorrow the flight is almost sold out.

    I think...

    What objective evidence do we have that TPE has "abysmal" load factors? Anecdotes that a couple people said their flight wasn't that full? An occasional award ticket that is not horrendously priced? When I do anecdotal spot checks of the seat map on SEA-TPE and compare it to SEA-HND and SEA-ICN, they look pretty similar in the next month or two. A little better than SEA-PVG. Tomorrow the flight is almost sold out.

    I think the switch to the A350 has been in the works for a while. Patrick Shea has a video on Youtube about the inaugural flight, and when he talked to one of the Delta execs, they told him that sales were enough that they were planning to upgrade the aircraft in 2025.

    18 more replies
  10. Jeff Guest

    In the post, there is a photo of Delta economy in 2-4-2 saying that ex-LATAM A350s are going to be reconfigured. But I don't see any Delta A350 that has a 2-4-2 seat layout on Aerolopa. Could you please clarify for me whether any Delta A350s currently have a 2-4-2 seat configuration? Thank you.

    1. Eskimo Guest

      As with all things Delta, which is 'premium' wanna be.

      The 2-4-2 you see is 'premium' economy.

  11. ORD_Is_My_Second_Home Diamond

    Delta zombie cockroaches...hasn't anyone sprayed this place for pests with marginal brainpower lately?

    1. Timtamtrak Diamond

      Truly an airline wasting an asset to compete in a p!ss|ng contest.

  12. Jeff Guest

    This is a huge disappointment for me, as I really enjoyed the 2-4-2 configuration on the A330 for SEA-HND. I just can't stand the 3-3-3 configuration. Looks like I won't be flying Delta on SEA-HND anymore.

    4 more replies
  13. Bobo Bolinski Guest

    BFD. Nothing much will come from this. Delta only pretends to give a shit about Seattle or anything west of Atlanta. They have never been committed to the Pacific region, never have been, never will be.

    And BTW, of course Delta doesn't fly "across the Atlantic" from Seattle. Showing your geographic ignorance (and east coast-centric view of the world) there.

    1 more reply
  14. WaywardAlpaca Gold

    Agree that DL upgrading TPE to an A359 is a bit of a head-scratcher considering their current load factors (and low fares / plentiful award space).

    But more TPAC capacity out of TPE is always good news considering the consistently high fares on CI/BR/JX, especially during peak season. And DL’s configurations are marginally more comfortable than UA’s 77Ws.

    I guess it’s also great news for consumers who are looking for reasonably priced TPAC redemptions...

    Agree that DL upgrading TPE to an A359 is a bit of a head-scratcher considering their current load factors (and low fares / plentiful award space).

    But more TPAC capacity out of TPE is always good news considering the consistently high fares on CI/BR/JX, especially during peak season. And DL’s configurations are marginally more comfortable than UA’s 77Ws.

    I guess it’s also great news for consumers who are looking for reasonably priced TPAC redemptions using SkyPesos lol.

    2 more replies
  15. KlimaBXsst Guest

    The beauty about the A350 is it has a common type rating for operators which already have the A330 in their fleet. Common type ratings for pilots is far more efficient and cheaper than having to maintain two separate pilot rosters for the airlines as well as the extra expense this requires in the training department qualifying pilots to fly at the airlines.

    2 more replies
  16. digital_notmad Diamond

    They've clearly got to try something now, let's hope it works out for them and doesn't just end up exacerbating their major losses at SEA.

    2 more replies
  17. Bart Webb Guest

    Perhaps to differentiate itself from the new Alaska/Hawaiian flights to Tokyo and Seoul which will fly A330

    1. vbscript2 Member

      Initially, yes, though I expect those will ultimately shift to the 787 as HA gets more of them in the mix. It would be really weird to use the 787s for domestic routes and leave the much less desirable (up front, at least) A330s on these trans-Pac routes from SEA.

  18. Tim Dunn Diamond

    this is all about additional premium seats on the 359 and cargo capacity.

    DL isn't just moving the 339s out of SEA on most routes but has already done the switch on LAX-HND and will do MSP-HND.

    While the 339 can easily do 10-12 hour flights, there isn't much cargo capacity left on 12 hour flights. and the 359 has a higher thrust to weight ratio - more powerful engines - so has...

    this is all about additional premium seats on the 359 and cargo capacity.

    DL isn't just moving the 339s out of SEA on most routes but has already done the switch on LAX-HND and will do MSP-HND.

    While the 339 can easily do 10-12 hour flights, there isn't much cargo capacity left on 12 hour flights. and the 359 has a higher thrust to weight ratio - more powerful engines - so has better takeoff performance.

    And the 359 does have the range to do the entire Pacific rim not just from SEA but also from LAX.

    Delta does not appear to have announced a SEA A350 pilot base but these announcements make it certain to come.

    And the switch to the 359s out of SEA has nothing to do with AS but rather is part of DL's desire to compete more aggressively for premium traffic esp. to Asia.

    Given that the 359 will have to be used for SLC-ICN and the 339 has performance limitations during summer afternoons to Europe from SLC the chances are high that the 359 will also do a couple of SLC-Europe flights.

    4 more replies
  19. leol Guest

    I don't think it's a response to Alaska. Delta president mentioned the upgrade 6 months ago at the Taipei flight launch event.

    https://youtu.be/rBJVBNY9XrQ
    He mentioned it at 1:25

    1 more reply
  20. Watson Diamond

    And only 400k SkyPesos each way!

    1 more reply
  21. Redacted Guest

    Wow, this is huge news for the PNW.

    To put this in perspective, within a span of five years, DL SEA-LHR service will have gone from bottom of the barrel -300s to pretty darn nice -900s, and now the A350.

    Sorry Virgin... we might finally be parting ways (although personally I'm still in the camp of people who has *never* found a good deal on DL flights with Virgin points...)

    1 more reply
  22. Willem Guest

    Maybe they got a military contract and need the extra cargo capacity to fly defence equipment to Taiwan?

    (Ahem…. sorry. I meant Chinese Taipei!)

  23. Steven L. Diamond

    > Delta’s new premium A350-900s feature 275 seats, including 40 business class seats, 40 premium economy seats, and 159 economy seats

    40 + 40 + 159 = 239. Where'd the other 36 seats go?

    2 more replies
  24. Waynaro Guest

    Personally, I prefer the A330s over the A350s when flying with my wife. The 2-4-2 configuration in economy is nice when I can't justify paying extra to move towards the front of the plane.

  25. betterbub Diamond

    It's been a good few days for me as someone based in the northwest who flies out to ICN pretty often

Featured Comments Most helpful comments ( as chosen by the OMAAT community ).

The comments on this page have not been provided, reviewed, approved or otherwise endorsed by any advertiser, and it is not an advertiser's responsibility to ensure posts and/or questions are answered.

NOLAviator Guest

man what a stupid post

8
ORD_Is_My_Second_Home Diamond

Delta zombie cockroaches...hasn't anyone sprayed this place for pests with marginal brainpower lately?

5
leol Guest

I don't think it's a response to Alaska. Delta president mentioned the upgrade 6 months ago at the Taipei flight launch event. https://youtu.be/rBJVBNY9XrQ He mentioned it at 1:25

4
Meet Ben Schlappig, OMAAT Founder
5,527,136 Miles Traveled

39,914,500 Words Written

42,354 Posts Published