AS1493
AS1493 (Alaska Airlines) flies San Diego to Chicago. Of 234 departures recorded from October 2025 to July 2026, 67.4% left on time, according to the US BTS.
Recorded departures by month
Short series — AS1493 has only 10 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods10 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 29 | – |
| February | – | 28 | – |
| March | – | 25 | – |
| April | – | 17 | – |
| May | – | 21 | – |
| June | – | 24 | – |
| July | – | 27 | – |
| August | – | – | – |
| September | – | – | – |
| October | 6 | – | in progress |
| November | 29 | – | – |
| December | 28 | – | – |
according to the US BTS · October 2025 → July 2026
On-time departures by month
Short series — AS1493 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 | – | 79.3% | – |
| February | – | 71.4% | – |
| March | – | 80.0% | – |
| April | – | 52.9% | – |
| May | – | 61.9% | – |
| June | – | 50.0% | – |
| July | – | 70.4% | – |
| August | – | – | – |
| September | – | – | – |
| October | 100.0% | – | in progress |
| November | 55.6% | – | – |
| December | 69.2% | – | – |
according to the US BTS · October 2025 → July 2026
Average departure delay by month
Short series — AS1493 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 — AS1493 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 | – | 0 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
according to the US BTS · October 2025 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 98.3% 230
- Cancelled 1.7% 4
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 | 20.8 min | 67.4% | 234 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2025 | 6 | 6 | 100.0% | 0 |
| November 2025 | 29 | 27 | 55.6% | 2 |
| December 2025 | 28 | 26 | 69.2% | 2 |
| January 2026 | 29 | 29 | 79.3% | 0 |
| February 2026 | 28 | 28 | 71.4% | 0 |
| March 2026 | 25 | 25 | 80.0% | 0 |
| April 2026 | 17 | 17 | 52.9% | 0 |
| May 2026 | 21 | 21 | 61.9% | 0 |
| June 2026 | 24 | 24 | 50.0% | 0 |
| July 2026 | 27 | 27 | 70.4% | 0 |