AS31
AS31 (Alaska Airlines) flies New York to Seattle. Of 645 departures recorded from October 2024 to July 2026, 81.9% left on time, according to the US BTS.
- On-time departures81.9%of 645 flights
- Average delay11.2 min
- July 202631▲ 0.0%vs July 2025
- Cancelled2.5%
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 25 | 31 | ▲ 24.0% |
| February | 24 | 28 | ▲ 16.7% |
| March | 30 | 31 | ▲ 3.3% |
| April | 30 | 30 | 0.0% |
| May | 31 | 30 | ▼ 3.2% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 201 | 211 | ▲ 5.0% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 96.0% | 60.0% | ▼ 37.5% |
| February | 91.7% | 69.2% | ▼ 24.5% |
| March | 86.7% | 77.4% | ▼ 10.7% |
| April | 100.0% | 83.3% | ▼ 16.7% |
| May | 64.5% | 86.7% | ▲ 34.3% |
| June | 86.2% | 89.7% | ▲ 4.0% |
| July | 76.7% | 72.4% | ▼ 5.6% |
| August | 64.5% | – | – |
| September | 83.3% | – | – |
| October | 93.1% | – | in progress |
| November | 75.0% | – | – |
| December | 63.3% | – | – |
| Year-to-date average (Jan–Jul) | 86.0% | 77.0% | ▼ 10.5% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 2 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 1 | 0.0% |
| July | 1 | 2 | ▲ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 2 | – | in progress |
| November | 5 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 2 | 6 | ▲ 200.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 97.5% 629
- Cancelled 2.5% 16
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| JFK SEA John F. Kennedy International Airport – Seattle–Tacoma International Airport | 3,887 | 11.2 min | 81.9% | 645 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 30 | 30 | 100.0% | 0 |
| December 2024 | 31 | 31 | 93.6% | 0 |
| January 2025 | 25 | 25 | 96.0% | 0 |
| February 2025 | 24 | 24 | 91.7% | 0 |
| March 2025 | 30 | 30 | 86.7% | 0 |
| April 2025 | 30 | 30 | 100.0% | 0 |
| May 2025 | 31 | 31 | 64.5% | 0 |
| June 2025 | 30 | 29 | 86.2% | 1 |
| July 2025 | 31 | 30 | 76.7% | 1 |
| August 2025 | 31 | 31 | 64.5% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 31 | 29 | 93.1% | 2 |
| November 2025 | 29 | 24 | 75.0% | 5 |
| December 2025 | 31 | 30 | 63.3% | 1 |
| January 2026 | 31 | 30 | 60.0% | 1 |
| February 2026 | 28 | 26 | 69.2% | 2 |
| March 2026 | 31 | 31 | 77.4% | 0 |
| April 2026 | 30 | 30 | 83.3% | 0 |
| May 2026 | 30 | 30 | 86.7% | 0 |
| June 2026 | 30 | 29 | 89.7% | 1 |
| July 2026 | 31 | 29 | 72.4% | 2 |