AS542
AS542 (Alaska Airlines) is a multi-stop service on 5 routes, busiest Seattle to Dallas-Fort Worth. Of 477 departures recorded from October 2024 to July 2026, 75.2% left on time, according to the US BTS.
- On-time departures75.2%of 477 flights
- Average delay10.1 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.3%
- Legs flown under this number5
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 5 | 5 | 0.0% |
| February | – | 10 | – |
| March | 14 | 22 | ▲ 57.1% |
| April | 30 | 27 | ▼ 10.0% |
| May | 30 | 31 | ▲ 3.3% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 25 | – | – |
| September | 18 | – | – |
| October | 7 | – | in progress |
| November | 29 | – | – |
| December | 25 | – | – |
according to the US BTS · October 2024 → July 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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 80.0% | 60.0% | ▼ 25.0% |
| February | – | 70.0% | – |
| March | 64.3% | 85.7% | ▲ 33.3% |
| April | 86.7% | 85.2% | ▼ 1.7% |
| May | 86.2% | 77.4% | ▼ 10.2% |
| June | 53.3% | 63.3% | ▲ 18.8% |
| July | 60.0% | 74.2% | ▲ 23.6% |
| August | 68.0% | – | – |
| September | 83.3% | – | – |
| October | 85.7% | – | in progress |
| November | 82.8% | – | – |
| December | 75.0% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
according to the US BTS · October 2024 → 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 98.7% 471
- Cancelled 1.3% 6
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → 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 |
|---|---|---|---|---|
| SEA DFW Seattle–Tacoma International Airport – Dallas Fort Worth International Airport | 2,668 | 9.5 min | 75.7% | 379 |
| SEA SMF Seattle–Tacoma International Airport – Sacramento International Airport | 975 | 11.3 min | 75.5% | 49 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 82.4% | 0 |
| November 2024 | 29 | 28 | 89.3% | 1 |
| December 2024 | 31 | 30 | 66.7% | 1 |
| January 2025 | 5 | 5 | 80.0% | 0 |
| March 2025 | 14 | 14 | 64.3% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 30 | 29 | 86.2% | 1 |
| June 2025 | 30 | 30 | 53.3% | 0 |
| July 2025 | 31 | 30 | 60.0% | 1 |
| August 2025 | 25 | 25 | 68.0% | 0 |
| September 2025 | 18 | 18 | 83.3% | 0 |
| October 2025 | 7 | 7 | 85.7% | 0 |
| November 2025 | 29 | 29 | 82.8% | 0 |
| December 2025 | 25 | 24 | 75.0% | 1 |
| January 2026 | 5 | 5 | 60.0% | 0 |
| February 2026 | 10 | 10 | 70.0% | 0 |
| March 2026 | 22 | 21 | 85.7% | 1 |
| April 2026 | 27 | 27 | 85.2% | 0 |
| May 2026 | 31 | 31 | 77.4% | 0 |
| June 2026 | 30 | 30 | 63.3% | 0 |
| July 2026 | 31 | 31 | 74.2% | 0 |