AS137
AS137 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Kotzebue to Anchorage. Of 809 departures recorded from October 2024 to April 2026, 86.3% left on time, according to the US BTS.
- On-time departures86.3%of 809 flights
- Average delay1.7 min
- April 202642▲ 7.7%vs April 2025
- Cancelled4.3%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 30 | 55 | ▲ 83.3% |
| February | 28 | 56 | ▲ 100.0% |
| March | 31 | 62 | ▲ 100.0% |
| April | 39 | 42 | ▲ 7.7% |
| May | 45 | – | – |
| June | 49 | – | – |
| July | 62 | – | – |
| August | 50 | – | – |
| September | 30 | – | – |
| October | 59 | – | in progress |
| November | 49 | – | – |
| December | 43 | – | – |
| Year to date (Jan–Apr) | 128 | 215 | ▲ 68.0% |
according to the US BTS · October 2024 → April 2026
On-time departures by month
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 | 96.0% | 61.5% | ▼ 35.9% |
| February | 96.3% | 80.0% | ▼ 16.9% |
| March | 93.6% | 87.1% | ▼ 6.9% |
| April | 86.8% | 81.0% | ▼ 6.8% |
| May | 92.9% | – | – |
| June | 91.8% | – | – |
| July | 88.7% | – | – |
| August | 73.9% | – | – |
| September | 93.3% | – | – |
| October | 94.3% | – | in progress |
| November | 87.8% | – | – |
| December | 90.7% | – | – |
| Year-to-date average (Jan–Apr) | 93.2% | 77.4% | ▼ 16.9% |
according to the US BTS · October 2024 → April 2026
Average departure delay by month
according to the US BTS · October 2024 → April 2026
Cancelled departures by month
The most recent periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 5 | 3 | ▼ 40.0% |
| February | 1 | 6 | ▲ 500.0% |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 3 | – | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 4 | – | – |
| September | 0 | – | – |
| October | 6 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Apr) | 7 | 9 | ▲ 28.6% |
according to the US BTS · October 2024 → April 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 95.7% 774
- Cancelled 4.3% 35
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Apr 21, 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 |
|---|---|---|---|---|
| OTZ ANC Ralph Wien Memorial Airport – Ted Stevens Anchorage International Airport | 880 | -0.7 min | 88.0% | 548 |
| ANC OTZ Ted Stevens Anchorage International Airport – Ralph Wien Memorial Airport | 880 | 6.8 min | 82.9% | 261 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 17 | 82.4% | 3 |
| November 2024 | 29 | 27 | 92.6% | 2 |
| December 2024 | 30 | 29 | 82.8% | 1 |
| January 2025 | 30 | 25 | 96.0% | 5 |
| February 2025 | 28 | 27 | 96.3% | 1 |
| March 2025 | 31 | 31 | 93.6% | 0 |
| April 2025 | 39 | 38 | 86.8% | 1 |
| May 2025 | 45 | 42 | 92.9% | 3 |
| June 2025 | 49 | 49 | 91.8% | 0 |
| July 2025 | 62 | 62 | 88.7% | 0 |
| August 2025 | 50 | 46 | 73.9% | 4 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 59 | 53 | 94.3% | 6 |
| November 2025 | 49 | 49 | 87.8% | 0 |
| December 2025 | 43 | 43 | 90.7% | 0 |
| January 2026 | 55 | 52 | 61.5% | 3 |
| February 2026 | 56 | 50 | 80.0% | 6 |
| March 2026 | 62 | 62 | 87.1% | 0 |
| April 2026 | 42 | 42 | 81.0% | 0 |