AS219
AS219 (Alaska Airlines) is a multi-stop service on 7 routes, busiest Seattle to Boston. Of 209 departures recorded from April 2025 to July 2026, 67.8% left on time, according to the US BTS.
- On-time departures67.8%of 209 flights
- Average delay23.4 min
- July 202631
- Cancelled1.9%
- Legs flown under this number7
Recorded departures by month
Short series — AS219 has only 11 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods11 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 22 | – |
| February | – | 8 | – |
| March | – | 15 | – |
| April | 9 | 29 | ▲ 222.2% |
| May | 14 | 30 | ▲ 114.3% |
| June | – | 30 | – |
| July | – | 31 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 9 | – | – |
| December | 12 | – | – |
according to the US BTS · April 2025 → July 2026
On-time departures by month
Short series — AS219 has only 11 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods11 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 70.0% | – |
| February | – | 50.0% | – |
| March | – | 73.3% | – |
| April | 44.4% | 79.3% | ▲ 78.5% |
| May | 15.4% | 86.2% | ▲ 460.5% |
| June | – | 76.7% | – |
| July | – | 58.1% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 88.9% | – | – |
| December | 58.3% | – | – |
according to the US BTS · April 2025 → July 2026
Average departure delay by month
Short series — AS219 has only 11 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · April 2025 → July 2026
Cancelled departures by month
Short series — AS219 has only 11 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods11 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 2 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 1 | 0.0% |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · April 2025 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.1% 205
- Cancelled 1.9% 4
Share of all recorded flights in the period, all legs. · Apr 22, 2025 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA BOS Seattle–Tacoma International Airport – Boston Logan International Airport | 4,006 | 22.1 min | 63.5% | 52 |
| ANC SEA Ted Stevens Anchorage International Airport – Seattle–Tacoma International Airport | 2,326 | 7.3 min | 84.8% | 47 |
| SAN DEN San Diego International Airport – Denver International Airport | 1,371 | 3.5 min | 80.0% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| April 2025 | 9 | 9 | 44.4% | 0 |
| May 2025 | 14 | 13 | 15.4% | 1 |
| November 2025 | 9 | 9 | 88.9% | 0 |
| December 2025 | 12 | 12 | 58.3% | 0 |
| January 2026 | 22 | 20 | 70.0% | 2 |
| February 2026 | 8 | 8 | 50.0% | 0 |
| March 2026 | 15 | 15 | 73.3% | 0 |
| April 2026 | 29 | 29 | 79.3% | 0 |
| May 2026 | 30 | 29 | 86.2% | 1 |
| June 2026 | 30 | 30 | 76.7% | 0 |
| July 2026 | 31 | 31 | 58.1% | 0 |