AS500
AS500 (Alaska Airlines) is a multi-stop service on 2 routes, busiest Seattle to Indianapolis. Of 997 departures recorded from October 2024 to July 2026, 71.4% left on time, according to the US BTS.
- On-time departures71.4%of 997 flights
- Average delay13.5 min
- July 202661▲ 0.0%vs July 2025
- Cancelled1.2%
- Legs flown under this number2
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 24 | 28 | ▲ 16.7% |
| February | 24 | 42 | ▲ 75.0% |
| March | 31 | 56 | ▲ 80.6% |
| April | 39 | 54 | ▲ 38.5% |
| May | 45 | 62 | ▲ 37.8% |
| June | 49 | 60 | ▲ 22.4% |
| July | 61 | 61 | 0.0% |
| August | 59 | – | – |
| September | 51 | – | – |
| October | 54 | – | in progress |
| November | 59 | – | – |
| December | 57 | – | – |
| Year to date (Jan–Jul) | 273 | 363 | ▲ 33.0% |
according to the US BTS · October 2024 → July 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 periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 47.8% | 46.2% | ▼ 3.5% |
| February | 75.0% | 73.8% | ▼ 1.6% |
| March | 64.5% | 66.7% | ▲ 3.3% |
| April | 79.5% | 87.0% | ▲ 9.5% |
| May | 70.5% | 90.3% | ▲ 28.2% |
| June | 52.1% | 65.5% | ▲ 25.8% |
| July | 55.7% | 82.0% | ▲ 47.1% |
| August | 66.1% | – | – |
| September | 64.7% | – | – |
| October | 76.9% | – | in progress |
| November | 86.4% | – | – |
| December | 69.6% | – | – |
| Year-to-date average (Jan–Jul) | 63.6% | 73.1% | ▲ 14.9% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 2 | ▲ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 1 | 2 | ▲ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 2 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 3 | 6 | ▲ 100.0% |
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 98.8% 985
- Cancelled 1.2% 12
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 IND Seattle–Tacoma International Airport – Indianapolis International Airport | 2,996 | 11.6 min | 73.6% | 608 |
| IND SEA Indianapolis International Airport – Seattle–Tacoma International Airport | 2,996 | 16.5 min | 67.8% | 389 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 65.0% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 31 | 31 | 64.5% | 0 |
| January 2025 | 24 | 23 | 47.8% | 1 |
| February 2025 | 24 | 24 | 75.0% | 0 |
| March 2025 | 31 | 31 | 64.5% | 0 |
| April 2025 | 39 | 39 | 79.5% | 0 |
| May 2025 | 45 | 44 | 70.5% | 1 |
| June 2025 | 49 | 48 | 52.1% | 1 |
| July 2025 | 61 | 61 | 55.7% | 0 |
| August 2025 | 59 | 59 | 66.1% | 0 |
| September 2025 | 51 | 51 | 64.7% | 0 |
| October 2025 | 54 | 52 | 76.9% | 2 |
| November 2025 | 59 | 59 | 86.4% | 0 |
| December 2025 | 57 | 56 | 69.6% | 1 |
| January 2026 | 28 | 26 | 46.2% | 2 |
| February 2026 | 42 | 42 | 73.8% | 0 |
| March 2026 | 56 | 54 | 66.7% | 2 |
| April 2026 | 54 | 54 | 87.0% | 0 |
| May 2026 | 62 | 62 | 90.3% | 0 |
| June 2026 | 60 | 58 | 65.5% | 2 |
| July 2026 | 61 | 61 | 82.0% | 0 |