AS428
AS428 (Alaska Airlines) is a multi-stop service on 8 routes, busiest Cincinnati to Seattle. Of 197 departures recorded from October 2024 to July 2026, 75.1% left on time, according to the US BTS.
- On-time departures75.1%of 197 flights
- Average delay11.3 min
- July 20269▼ 71.0%vs July 2025
- Cancelled0.0%
- Legs flown under this number8
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods11 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 23 | – | – |
| February | 26 | – | – |
| March | 18 | – | – |
| April | – | – | – |
| May | 17 | 1 | ▼ 94.1% |
| June | 30 | 6 | ▼ 80.0% |
| July | 31 | 9 | ▼ 71.0% |
| August | 19 | – | – |
| September | – | – | – |
| October | 1 | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 periods11 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 82.6% | – | – |
| February | 84.6% | – | – |
| March | 83.3% | – | – |
| April | – | – | – |
| May | 76.5% | 100.0% | ▲ 30.8% |
| June | 70.0% | 66.7% | ▼ 4.8% |
| July | 74.2% | 66.7% | ▼ 10.1% |
| August | 52.6% | – | – |
| September | – | – | – |
| October | 0.0% | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 periods11 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | 0 | – | – |
| March | 0 | – | – |
| April | – | – | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 100.0% 197
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 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 |
|---|---|---|---|---|
| CVG SEA Cincinnati Northern Kentucky International Airport – Seattle–Tacoma International Airport | 3,154 | 21.7 min | 63.8% | 69 |
| SEA PHX Seattle–Tacoma International Airport – Phoenix Sky Harbor International Airport | 1,782 | 3.2 min | 83.6% | 67 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 93.3% | 0 |
| December 2024 | 1 | 1 | 0.0% | 0 |
| January 2025 | 23 | 23 | 82.6% | 0 |
| February 2025 | 26 | 26 | 84.6% | 0 |
| March 2025 | 18 | 18 | 83.3% | 0 |
| May 2025 | 17 | 17 | 76.5% | 0 |
| June 2025 | 30 | 30 | 70.0% | 0 |
| July 2025 | 31 | 31 | 74.2% | 0 |
| August 2025 | 19 | 19 | 52.6% | 0 |
| October 2025 | 1 | 1 | 0.0% | 0 |
| May 2026 | 1 | 1 | 100.0% | 0 |
| June 2026 | 6 | 6 | 66.7% | 0 |
| July 2026 | 9 | 9 | 66.7% | 0 |