AS120
AS120 (Alaska Airlines) is a multi-stop service on 6 routes, busiest Seattle to Anchorage. Of 298 departures recorded from October 2024 to April 2026, 71.9% left on time, according to the US BTS.
- On-time departures71.9%of 298 flights
- Average delay11.6 min
- April 202618▼ 14.3%vs April 2025
- Cancelled1.0%
- Legs flown under this number6
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 12 | 6 | ▼ 50.0% |
| February | 20 | 12 | ▼ 40.0% |
| March | 31 | 25 | ▼ 19.4% |
| April | 21 | 18 | ▼ 14.3% |
| May | 17 | – | – |
| June | 11 | – | – |
| July | – | – | – |
| August | 1 | – | – |
| September | – | – | – |
| October | 22 | – | in progress |
| November | 9 | – | – |
| December | 14 | – | – |
| Year to date (Jan–Apr) | 84 | 61 | ▼ 27.4% |
according to the US BTS · October 2024 → April 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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 66.7% | 100.0% | ▲ 50.0% |
| February | 60.0% | 91.7% | ▲ 52.8% |
| March | 77.4% | 88.0% | ▲ 13.7% |
| April | 61.9% | 72.2% | ▲ 16.7% |
| May | 41.2% | – | – |
| June | 27.3% | – | – |
| July | – | – | – |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 65.0% | – | in progress |
| November | 50.0% | – | – |
| December | 78.6% | – | – |
| Year-to-date average (Jan–Apr) | 66.5% | 88.0% | ▲ 32.3% |
according to the US BTS · October 2024 → April 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → April 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | 0 | – | – |
| July | – | – | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 2 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Apr) | 0 | 0 |
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 99.0% 295
- Cancelled 1.0% 3
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA ANC Seattle–Tacoma International Airport – Ted Stevens Anchorage International Airport | 2,326 | 17.0 min | 57.3% | 96 |
| MCI PDX Kansas City International Airport – Portland International Airport | 2,379 | 3.2 min | 80.7% | 84 |
| LAS SFO Harry Reid International Airport – San Francisco International Airport | 665 | 15.6 min | 79.8% | 84 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 83.3% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 31 | 31 | 67.7% | 0 |
| January 2025 | 12 | 12 | 66.7% | 0 |
| February 2025 | 20 | 20 | 60.0% | 0 |
| March 2025 | 31 | 31 | 77.4% | 0 |
| April 2025 | 21 | 21 | 61.9% | 0 |
| May 2025 | 17 | 17 | 41.2% | 0 |
| June 2025 | 11 | 11 | 27.3% | 0 |
| August 2025 | 1 | 1 | 100.0% | 0 |
| October 2025 | 22 | 20 | 65.0% | 2 |
| November 2025 | 9 | 8 | 50.0% | 1 |
| December 2025 | 14 | 14 | 78.6% | 0 |
| January 2026 | 6 | 6 | 100.0% | 0 |
| February 2026 | 12 | 12 | 91.7% | 0 |
| March 2026 | 25 | 25 | 88.0% | 0 |
| April 2026 | 18 | 18 | 72.2% | 0 |