AS1579
AS1579 (Alaska Airlines) flies Seattle to Houston. Of 33 departures recorded from June 2026 to July 2026, 75.8% left on time, according to the US BTS.
Recorded departures by month
Short series — AS1579 has only 2 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods2 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | 21 | – |
| July | – | 12 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · June 2026 → July 2026
On-time departures by month
Short series — AS1579 has only 2 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 periods2 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | 81.0% | – |
| July | – | 66.7% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · June 2026 → July 2026
Average departure delay by month
Short series — AS1579 has only 2 months so far. Enough to show the level now, not enough to read a trend.
according to the US BTS · June 2026 → July 2026
Cancelled departures by month
Short series — AS1579 has only 2 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods2 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · June 2026 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 100.0% 33
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Jun 10, 2026 → Jul 12, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA IAH Seattle–Tacoma International Airport – George Bush Intercontinental Airport | 3,013 | 8.9 min | 75.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| June 2026 | 21 | 21 | 81.0% | 0 |
| July 2026 | 12 | 12 | 66.7% | 0 |