AS1478
AS1478 (Alaska Airlines) is a multi-stop service on 2 routes, busiest San Diego to Chicago. Of 199 departures recorded from October 2025 to July 2026, 69.4% left on time, according to the US BTS.
- On-time departures69.4%of 199 flights
- Average delay21.6 min
- July 202626
- Cancelled3.0%
- Legs flown under this number2
Recorded departures by month
Short series — AS1478 has only 9 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 periods9 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 6 | – |
| February | – | – | – |
| March | – | 22 | – |
| April | – | 27 | – |
| May | – | 30 | – |
| June | – | 24 | – |
| July | – | 26 | – |
| August | – | – | – |
| September | – | – | – |
| October | 6 | – | in progress |
| November | 29 | – | – |
| December | 29 | – | – |
according to the US BTS · October 2025 → July 2026
On-time departures by month
Short series — AS1478 has only 9 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 periods9 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 50.0% | – |
| February | – | – | – |
| March | – | 68.2% | – |
| April | – | 77.8% | – |
| May | – | 76.7% | – |
| June | – | 69.6% | – |
| July | – | 87.5% | – |
| August | – | – | – |
| September | – | – | – |
| October | 66.7% | – | in progress |
| November | 63.0% | – | – |
| December | 50.0% | – | – |
according to the US BTS · October 2025 → July 2026
Average departure delay by month
Short series — AS1478 has only 9 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 · October 2025 → July 2026
Cancelled departures by month
Short series — AS1478 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods9 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | – | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | – | 1 | – |
| July | – | 2 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 1 | – | – |
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 97.0% 193
- Cancelled 3.0% 6
Share of all recorded flights in the period, all legs. · Oct 26, 2025 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SAN ORD San Diego International Airport – Chicago O'Hare International Airport | 2,768 | 21.0 min | 70.9% | 188 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2025 | 6 | 6 | 66.7% | 0 |
| November 2025 | 29 | 27 | 63.0% | 2 |
| December 2025 | 29 | 28 | 50.0% | 1 |
| January 2026 | 6 | 6 | 50.0% | 0 |
| March 2026 | 22 | 22 | 68.2% | 0 |
| April 2026 | 27 | 27 | 77.8% | 0 |
| May 2026 | 30 | 30 | 76.7% | 0 |
| June 2026 | 24 | 23 | 69.6% | 1 |
| July 2026 | 26 | 24 | 87.5% | 2 |