AS1428
AS1428 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Denver to San Diego. Of 214 departures recorded from October 2025 to July 2026, 75.0% left on time, according to the US BTS.
- On-time departures75.0%of 214 flights
- Average delay8.1 min
- July 202631
- Cancelled0.9%
- Legs flown under this number3
Recorded departures by month
Short series — AS1428 has only 10 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.
The most recent periods10 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 20 | – |
| February | – | 23 | – |
| March | – | 31 | – |
| April | – | 21 | – |
| May | – | 1 | – |
| June | – | 21 | – |
| July | – | 31 | – |
| August | – | – | – |
| September | – | – | – |
| October | 6 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
according to the US BTS · October 2025 → July 2026
On-time departures by month
Short series — AS1428 has only 10 months so far. Enough to show the level now, not enough to read a trend.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods10 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 70.0% | – |
| February | – | 82.6% | – |
| March | – | 75.9% | – |
| April | – | 90.5% | – |
| May | – | 100.0% | – |
| June | – | 52.4% | – |
| July | – | 64.5% | – |
| August | – | – | – |
| September | – | – | – |
| October | 66.7% | – | in progress |
| November | 89.7% | – | – |
| December | 74.2% | – | – |
according to the US BTS · October 2025 → July 2026
Average departure delay by month
Short series — AS1428 has only 10 months so far. Enough to show the level now, not enough to read a trend.
according to the US BTS · October 2025 → July 2026
Cancelled departures by month
Short series — AS1428 has only 10 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods10 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | – | 2 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · October 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 99.1% 212
- Cancelled 0.9% 2
Share of all recorded flights in the period, all legs. · Oct 26, 2025 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN SAN Denver International Airport – San Diego International Airport | 1,371 | 5.5 min | 79.9% | 161 |
| SEA SMF Seattle–Tacoma International Airport – Sacramento International Airport | 975 | 16.2 min | 59.6% | 52 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2025 | 6 | 6 | 66.7% | 0 |
| November 2025 | 29 | 29 | 89.7% | 0 |
| December 2025 | 31 | 31 | 74.2% | 0 |
| January 2026 | 20 | 20 | 70.0% | 0 |
| February 2026 | 23 | 23 | 82.6% | 0 |
| March 2026 | 31 | 29 | 75.9% | 2 |
| April 2026 | 21 | 21 | 90.5% | 0 |
| May 2026 | 1 | 1 | 100.0% | 0 |
| June 2026 | 21 | 21 | 52.4% | 0 |
| July 2026 | 31 | 31 | 64.5% | 0 |