AS418
AS418 (Alaska Airlines) is a multi-stop service on 7 routes, busiest Kansas City to Seattle. Of 883 departures recorded from October 2024 to July 2026, 85.9% left on time, according to the US BTS.
- On-time departures85.9%of 883 flights
- Average delay5.2 min
- July 202662▲ 6.9%vs July 2025
- Cancelled0.5%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 58 | ▲ 5,700.0% |
| February | – | 52 | – |
| March | 22 | 54 | ▲ 145.5% |
| April | 58 | 57 | ▼ 1.7% |
| May | 45 | 43 | ▼ 4.4% |
| June | 45 | 49 | ▲ 8.9% |
| July | 58 | 62 | ▲ 6.9% |
| August | 58 | – | – |
| September | 60 | – | – |
| October | 55 | – | in progress |
| November | 50 | – | – |
| December | 46 | – | – |
according to the US BTS · October 2024 → July 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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 93.1% | ▼ 6.9% |
| February | – | 94.2% | – |
| March | 90.5% | 87.0% | ▼ 3.8% |
| April | 89.7% | 96.5% | ▲ 7.6% |
| May | 91.1% | 76.7% | ▼ 15.8% |
| June | 77.8% | 98.0% | ▲ 25.9% |
| July | 77.6% | 91.9% | ▲ 18.5% |
| August | 79.0% | – | – |
| September | 86.2% | – | – |
| October | 72.7% | – | in progress |
| November | 78.0% | – | – |
| December | 76.1% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 2 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 99.5% 879
- Cancelled 0.5% 4
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 |
|---|---|---|---|---|
| MCI SEA Kansas City International Airport – Seattle–Tacoma International Airport | 2,391 | 5.5 min | 85.8% | 411 |
| SEA MCI Seattle–Tacoma International Airport – Kansas City International Airport | 2,391 | 4.7 min | 87.2% | 406 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 9 | 9 | 100.0% | 0 |
| November 2024 | 1 | 1 | 100.0% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| March 2025 | 22 | 21 | 90.5% | 1 |
| April 2025 | 58 | 58 | 89.7% | 0 |
| May 2025 | 45 | 45 | 91.1% | 0 |
| June 2025 | 45 | 45 | 77.8% | 0 |
| July 2025 | 58 | 58 | 77.6% | 0 |
| August 2025 | 58 | 57 | 79.0% | 1 |
| September 2025 | 60 | 58 | 86.2% | 2 |
| October 2025 | 55 | 55 | 72.7% | 0 |
| November 2025 | 50 | 50 | 78.0% | 0 |
| December 2025 | 46 | 46 | 76.1% | 0 |
| January 2026 | 58 | 58 | 93.1% | 0 |
| February 2026 | 52 | 52 | 94.2% | 0 |
| March 2026 | 54 | 54 | 87.0% | 0 |
| April 2026 | 57 | 57 | 96.5% | 0 |
| May 2026 | 43 | 43 | 76.7% | 0 |
| June 2026 | 49 | 49 | 98.0% | 0 |
| July 2026 | 62 | 62 | 91.9% | 0 |