AS522
AS522 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Seattle to Nashville. Of 866 departures recorded from October 2024 to July 2026, 72.2% left on time, according to the US BTS.
- On-time departures72.2%of 866 flights
- Average delay11.6 min
- July 202631▼ 49.2%vs July 2025
- Cancelled0.8%
- Legs flown under this number3
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 | 31 | 47 | ▲ 51.6% |
| February | 26 | 45 | ▲ 73.1% |
| March | 28 | 44 | ▲ 57.1% |
| April | 38 | 30 | ▼ 21.1% |
| May | 43 | 31 | ▼ 27.9% |
| June | 49 | 30 | ▼ 38.8% |
| July | 61 | 31 | ▼ 49.2% |
| August | 50 | – | – |
| September | 30 | – | – |
| October | 59 | – | in progress |
| November | 59 | – | – |
| December | 53 | – | – |
| Year to date (Jan–Jul) | 276 | 258 | ▼ 6.5% |
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 | 86.7% | 63.6% | ▼ 26.6% |
| February | 80.8% | 84.4% | ▲ 4.5% |
| March | 75.0% | 83.7% | ▲ 11.6% |
| April | 71.1% | 90.0% | ▲ 26.7% |
| May | 69.1% | 80.7% | ▲ 16.8% |
| June | 35.4% | 60.0% | ▲ 69.4% |
| July | 54.1% | 87.1% | ▲ 61.0% |
| August | 44.0% | – | – |
| September | 86.7% | – | – |
| October | 84.8% | – | in progress |
| November | 76.3% | – | – |
| December | 77.4% | – | – |
| Year-to-date average (Jan–Jul) | 67.4% | 78.5% | ▲ 16.4% |
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 | 3 | ▲ 200.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 4 | ▲ 33.3% |
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 99.2% 859
- Cancelled 0.8% 7
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
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SEA BNA Seattle–Tacoma International Airport – Nashville International Airport | 3,176 | 7.1 min | 79.4% | 591 |
| BNA SEA Nashville International Airport – Seattle–Tacoma International Airport | 3,176 | 23.0 min | 52.7% | 223 |
| SEA PHL Seattle–Tacoma International Airport – Philadelphia International Airport | 3,818 | 13.7 min | 73.1% | 52 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 30 | 30 | 73.3% | 0 |
| December 2024 | 31 | 31 | 71.0% | 0 |
| January 2025 | 31 | 30 | 86.7% | 1 |
| February 2025 | 26 | 26 | 80.8% | 0 |
| March 2025 | 28 | 28 | 75.0% | 0 |
| April 2025 | 38 | 38 | 71.1% | 0 |
| May 2025 | 43 | 42 | 69.1% | 1 |
| June 2025 | 49 | 48 | 35.4% | 1 |
| July 2025 | 61 | 61 | 54.1% | 0 |
| August 2025 | 50 | 50 | 44.0% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 59 | 59 | 84.8% | 0 |
| November 2025 | 59 | 59 | 76.3% | 0 |
| December 2025 | 53 | 53 | 77.4% | 0 |
| January 2026 | 47 | 44 | 63.6% | 3 |
| February 2026 | 45 | 45 | 84.4% | 0 |
| March 2026 | 44 | 43 | 83.7% | 1 |
| April 2026 | 30 | 30 | 90.0% | 0 |
| May 2026 | 31 | 31 | 80.7% | 0 |
| June 2026 | 30 | 30 | 60.0% | 0 |
| July 2026 | 31 | 31 | 87.1% | 0 |