AS99
AS99 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Seattle to Anchorage. Of 430 departures recorded from October 2024 to July 2026, 76.8% left on time, according to the US BTS.
- On-time departures76.8%of 430 flights
- Average delay12.4 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.7%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 26 | – |
| February | – | 25 | – |
| March | – | 24 | – |
| April | 9 | 22 | ▲ 144.4% |
| May | 14 | 27 | ▲ 92.9% |
| June | 19 | 29 | ▲ 52.6% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 13 | – | – |
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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 73.1% | – |
| February | – | 80.0% | – |
| March | – | 66.7% | – |
| April | 88.9% | 86.4% | ▼ 2.8% |
| May | 85.7% | 74.1% | ▼ 13.6% |
| June | 73.7% | 82.8% | ▲ 12.3% |
| July | 58.1% | 74.2% | ▲ 27.8% |
| August | 80.7% | – | – |
| September | 73.3% | – | – |
| October | 66.7% | – | in progress |
| November | 89.7% | – | – |
| December | 66.7% | – | – |
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 periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 1 | – | – |
| 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 99.3% 427
- Cancelled 0.7% 3
Share of all recorded flights in the period, all legs. · Oct 12, 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 ANC Seattle–Tacoma International Airport – Ted Stevens Anchorage International Airport | 2,326 | 14.0 min | 75.6% | 392 |
| FAI ANC Fairbanks International Airport – Ted Stevens Anchorage International Airport | 418 | -4.2 min | 89.5% | 38 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 18 | 18 | 94.4% | 0 |
| April 2025 | 9 | 9 | 88.9% | 0 |
| May 2025 | 14 | 14 | 85.7% | 0 |
| June 2025 | 19 | 19 | 73.7% | 0 |
| July 2025 | 31 | 31 | 58.1% | 0 |
| August 2025 | 31 | 31 | 80.7% | 0 |
| September 2025 | 30 | 30 | 73.3% | 0 |
| October 2025 | 31 | 30 | 66.7% | 1 |
| November 2025 | 30 | 29 | 89.7% | 1 |
| December 2025 | 13 | 12 | 66.7% | 1 |
| January 2026 | 26 | 26 | 73.1% | 0 |
| February 2026 | 25 | 25 | 80.0% | 0 |
| March 2026 | 24 | 24 | 66.7% | 0 |
| April 2026 | 22 | 22 | 86.4% | 0 |
| May 2026 | 27 | 27 | 74.1% | 0 |
| June 2026 | 29 | 29 | 82.8% | 0 |
| July 2026 | 31 | 31 | 74.2% | 0 |