AS1119
AS1119 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Ontario to Seattle. Of 272 departures recorded from October 2024 to June 2026, 83.2% left on time, according to the US BTS.
- On-time departures83.2%of 272 flights
- Average delay4.4 min
- June 20261▼ 96.7%vs June 2025
- Cancelled1.8%
- Legs flown under this number3
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods12 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 27 | – | – |
| February | 14 | – | – |
| March | 5 | 1 | ▼ 80.0% |
| April | 8 | – | – |
| May | 31 | – | – |
| June | 30 | 1 | ▼ 96.7% |
| July | 30 | – | – |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 3 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → June 2026
On-time departures by month
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 periods12 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 74.1% | – | – |
| February | 83.3% | – | – |
| March | 100.0% | 0.0% | ▼ 100.0% |
| April | 100.0% | – | – |
| May | 86.7% | – | – |
| June | 90.0% | 100.0% | ▲ 11.1% |
| July | 93.1% | – | – |
| August | 83.3% | – | – |
| September | 86.7% | – | – |
| October | 33.3% | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → June 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → June 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods12 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | 2 | – | – |
| March | 0 | 0 | – |
| April | 0 | – | – |
| May | 1 | – | – |
| June | 0 | 0 | – |
| July | 1 | – | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → June 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 98.2% 267
- Cancelled 1.8% 5
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jun 11, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ONT SEA Ontario International Airport – Seattle–Tacoma International Airport | 1,540 | 4.3 min | 83.4% | 270 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 77.8% | 0 |
| November 2024 | 21 | 21 | 90.5% | 0 |
| December 2024 | 22 | 22 | 59.1% | 0 |
| January 2025 | 27 | 27 | 74.1% | 0 |
| February 2025 | 14 | 12 | 83.3% | 2 |
| March 2025 | 5 | 5 | 100.0% | 0 |
| April 2025 | 8 | 8 | 100.0% | 0 |
| May 2025 | 31 | 30 | 86.7% | 1 |
| June 2025 | 30 | 30 | 90.0% | 0 |
| July 2025 | 30 | 29 | 93.1% | 1 |
| August 2025 | 31 | 30 | 83.3% | 1 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 3 | 3 | 33.3% | 0 |
| March 2026 | 1 | 1 | 0.0% | 0 |
| June 2026 | 1 | 1 | 100.0% | 0 |