AS391
AS391 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Indianapolis to Seattle. Of 271 departures recorded from October 2024 to October 2025, 78.8% left on time, according to the US BTS.
- On-time departures78.8%of 271 flights
- Average delay7.1 min
- October 20251▼ 92.3%vs October 2024
- Cancelled0.7%
- Legs flown under this number3
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods12 periods
| Period | Departures 2024 | Departures 2025 | Change vs last year |
|---|---|---|---|
| January | – | 24 | – |
| February | – | 24 | – |
| March | – | 31 | – |
| April | – | 21 | – |
| May | – | 17 | – |
| June | – | 30 | – |
| July | – | 31 | – |
| August | – | 19 | – |
| September | – | – | – |
| October | 13 | 1 | ▼ 92.3% |
| November | 29 | – | – |
| December | 31 | – | – |
according to the US BTS · October 2024 → October 2025
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 periods12 periods
| Period | On time 2024 | On time 2025 | Change vs last year |
|---|---|---|---|
| January | – | 60.9% | – |
| February | – | 83.3% | – |
| March | – | 67.7% | – |
| April | – | 76.2% | – |
| May | – | 70.6% | – |
| June | – | 83.3% | – |
| July | – | 87.1% | – |
| August | – | 89.5% | – |
| September | – | – | – |
| October | 66.7% | 100.0% | ▲ 50.0% |
| November | 93.1% | – | – |
| December | 77.4% | – | – |
according to the US BTS · October 2024 → October 2025
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → October 2025
Cancelled departures by month
Months without data are left blank.
The most recent periods12 periods
| Period | Cancelled 2024 | Cancelled 2025 | Change vs last year |
|---|---|---|---|
| January | – | 1 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | 0 | – |
| September | – | – | – |
| October | 1 | 0 | ▼ 100.0% |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → October 2025
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% 269
- Cancelled 0.7% 2
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Oct 3, 2025
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 |
|---|---|---|---|---|
| IND SEA Indianapolis International Airport – Seattle–Tacoma International Airport | 2,996 | 9.1 min | 75.9% | 201 |
| PAE LAS Seattle Paine Field International Airport – Harry Reid International Airport | 1,439 | 1.8 min | 87.0% | 69 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 12 | 66.7% | 1 |
| November 2024 | 29 | 29 | 93.1% | 0 |
| December 2024 | 31 | 31 | 77.4% | 0 |
| January 2025 | 24 | 23 | 60.9% | 1 |
| February 2025 | 24 | 24 | 83.3% | 0 |
| March 2025 | 31 | 31 | 67.7% | 0 |
| April 2025 | 21 | 21 | 76.2% | 0 |
| May 2025 | 17 | 17 | 70.6% | 0 |
| June 2025 | 30 | 30 | 83.3% | 0 |
| July 2025 | 31 | 31 | 87.1% | 0 |
| August 2025 | 19 | 19 | 89.5% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |