New York (JFK) – Seattle (SEA)
- Distance
- 3,897 km
- 2,421 mi · 2,104 nm
- Flight time
- 6 h 19 min / 5 h 16 min
- Average gate to gate: JFK → SEA / back
- Time difference
- 3 h
- CO2 per passenger
- 455 kg
- One way, economy, incl. RF (269 kg CO2 only)
- Passengers / year
- 895,247
- Aug 2025 – Jul 2026 · −3.3%
- Flights / week
- 108
- Both directions, average
- Seats filled
- 86%
- 1,038,821 seats a year
- Airlines nonstop
- 3
- DL, AS, B6
Traffic: U.S. DOT, Bureau of Transportation Statistics, T-100 Segment (all carriers, scheduled service), Aug 2025 – Jul 2026. Distance: WGS-84 ellipsoid. CO2: UK DESNZ 2026 factors. Sources
The way there
- Heading from JFK
- 298°
- Heading from SEA
- 83°
- Halfway point
- 46.69, -96.56
- Great-circle km
- 3,887 km (sphere, for EU261)
- In the air JFK → SEA
- 5 h 35 min
- In the air SEA → JFK
- 4 h 40 min
- Clocks
- Seattle is 3 h behind New York
The estimate for a route without real times is 5 h 25 min; how it is worked out is on Sources.
Show as a table
| Month | Passengers |
|---|---|
| Aug 2025 | 96,383 |
| Sep 2025 | 87,038 |
| Oct 2025 | 84,178 |
| Nov 2025 | 68,090 |
| Dec 2025 | 70,166 |
| Jan 2026 | 55,401 |
| Feb 2026 | 49,541 |
| Mar 2026 | 63,125 |
| Apr 2026 | 66,257 |
| May 2026 | 80,051 |
| Jun 2026 | 89,086 |
| Jul 2026 | 85,931 |
Show as a table
| Month | Flights |
|---|---|
| Aug 2025 | 550 |
| Sep 2025 | 536 |
| Oct 2025 | 534 |
| Nov 2025 | 445 |
| Dec 2025 | 437 |
| Jan 2026 | 357 |
| Feb 2026 | 331 |
| Mar 2026 | 416 |
| Apr 2026 | 450 |
| May 2026 | 513 |
| Jun 2026 | 533 |
| Jul 2026 | 506 |
Airlines flying JFK–SEA nonstop
| Airline | Flights / week | Share of passengers |
|---|---|---|
| DLDelta Air Lines | 50 | 48% |
| ASAlaska Airlines | 52 | 46% |
| B6JetBlue Airways | 6.1 | 6% |
Both directions, Aug 2025 – Jul 2026. Airlines with at least one flight a month. U.S. DOT, Bureau of Transportation Statistics, T-100 Segment (all carriers, scheduled service). Sources
Aircraft on this route
- Airbus Industrie A321-200n · 2,623 flights
- Boeing B737 Max 900 · 1,186 flights
- Boeing 737-900ER · 1,162 flights
- Boeing 737-800 · 315 flights
- Airbus Industrie A321Neoxlr · 206 flights
- Boeing B737 Max 800 · 58 flights
- Boeing 757-200 · 45 flights
- Boeing 767-300/300ER · 7 flights
Also carried: 2,112 tonnes of freight and 144 tonnes of mail a year (passenger and cargo flights).
Punctuality
- On time
- 73.8%
- Arrived within 15 min of schedule
- Average delay
- 18 min
- Late arrivals count, early ones as 0
- Cancelled
- 3.1%
- Flights counted
- 5,812
- Aug 2025 – Jul 2026
| Airline | On time | Average delay |
|---|---|---|
| ASAlaska Airlines | 71.4% | 18 min |
| DLDelta Air Lines | 76.5% | 16 min |
| B6JetBlue Airways | 72.2% | 30 min |
Delay minutes by cause: airline 34% · aircraft arriving late 22% · air traffic system 38% · weather 6% · security 1%.
Both directions, Aug 2025 – Jul 2026. BTS Reporting Carrier On-Time Performance (US domestic flights of the larger US airlines). Sources
What passengers paid
- Average fare, Q1 2026
- $350
- One way, all cabins
- Average over a year
- $351
- Q2 2025 – Q1 2026
- Largest airline
- Alaska Airlines
- 53% of passengers · $306
- Lowest-fare airline
- Alaska Airlines
- 53% of passengers · $306
History, not a price to book: what the average passenger paid per one-way trip in each quarter (Q2 2025 $352 · Q3 2025 $352 · Q4 2025 $351 · Q1 2026 $350).
Fare outlook, Q1 2027: about $357, likely $316–$407
The average fare paid we expect a year after Q1 2026, the newest DOT quarter. On this route, past forecasts made this way fell inside the range 86% of the time over 21 quarters (median error 6%). An estimate from US DOT data: not a price you can book, not a guarantee, not advice on when to buy. How the outlook works
Cheapest quarter on this route: Q1, typically 12% below the year's average (9 years of DOT data, without 2020–21).
U.S. DOT Consumer Airfare Report, Table 1a (airline ticket sample, US domestic airport pairs). Sources
Delay compensation (EU261 / UK261)
Measured by great-circle distance: 3,887 km.
Neither EU261 nor UK261 covers this route: it neither starts nor ends in the EU, EEA, Switzerland or the UK. Other countries have their own rules (for example Canada's APPR or Brazil's ANAC rules).
Also owed for a cancellation with less than 14 days' notice or denied boarding. Not owed for extraordinary circumstances. On a connection, the distance to the final destination counts. From 23 October 2027 the EU's Regulation 2026/2202 applies; it keeps these amounts (what changes in 2027). Information, not legal advice.
Every airport pair between New York and Seattle
Kilometres. Linked numbers have a page of their own. All New York airports · All Seattle airports
More routes from JFK
| Route | Distance | Passengers / year |
|---|---|---|
| JFK → LAX | 3,983 km | 3,020,062 |
| JFK → LHR | 5,555 km | 2,984,474 |
| JFK → SFO | 4,162 km | 1,910,892 |
| JFK → CDG | 5,850 km | 1,852,909 |
| JFK → MCO | 1,519 km | 1,430,021 |
| JFK → MIA | 1,753 km | 1,326,964 |
| JFK → ATL | 1,223 km | 1,253,545 |
| JFK → SJU | 2,571 km | 1,142,506 |
| JFK → FCO | 6,884 km | 1,141,515 |
| JFK → LAS | 3,618 km | 1,102,051 |
More routes from SEA
| Route | Distance | Passengers / year |
|---|---|---|
| SEA → DEN | 1,648 km | 1,819,437 |
| SEA → PHX | 1,781 km | 1,813,338 |
| SEA → LAX | 1,535 km | 1,810,795 |
| SEA → ANC | 2,331 km | 1,694,688 |
| SEA → SFO | 1,092 km | 1,628,228 |
| SEA → ORD | 2,769 km | 1,622,991 |
| SEA → LAS | 1,394 km | 1,596,435 |
| SEA → DFW | 2,671 km | 1,577,921 |
| SEA → SAN | 1,690 km | 1,233,726 |
| SEA → SLC | 1,108 km | 1,106,553 |