AS677
AS677 (Alaska Airlines) is a multi-stop service on 7 routes, busiest Seattle to Raleigh. Of 212 departures recorded from October 2024 to July 2026, 78.7% left on time, according to the US BTS.
- On-time departures78.7%of 212 flights
- Average delay8.2 min
- July 202630
- 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 periods11 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 29 | – |
| February | – | 24 | – |
| March | – | 21 | – |
| April | 1 | 21 | ▲ 2,000.0% |
| May | 1 | 12 | ▲ 1,100.0% |
| June | – | 21 | – |
| July | – | 30 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 9 | – | – |
| December | 27 | – | – |
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 | – | 86.2% | – |
| February | – | 70.8% | – |
| March | – | 65.0% | – |
| April | 100.0% | 76.2% | ▼ 23.8% |
| May | 100.0% | 91.7% | ▼ 8.3% |
| June | – | 90.5% | – |
| July | – | 73.3% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 77.8% | – | – |
| December | 81.5% | – | – |
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 | – | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | 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% 211
- Cancelled 0.5% 1
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 RDU Seattle–Tacoma International Airport – Raleigh-Durham International Airport | 3,781 | 8.7 min | 76.9% | 117 |
| SEA SLC Seattle–Tacoma International Airport – Salt Lake City International Airport | 1,107 | 9.8 min | 78.3% | 61 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 80.0% | 0 |
| November 2024 | 1 | 1 | 0.0% | 0 |
| April 2025 | 1 | 1 | 100.0% | 0 |
| May 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 9 | 9 | 77.8% | 0 |
| December 2025 | 27 | 27 | 81.5% | 0 |
| January 2026 | 29 | 29 | 86.2% | 0 |
| February 2026 | 24 | 24 | 70.8% | 0 |
| March 2026 | 21 | 20 | 65.0% | 1 |
| April 2026 | 21 | 21 | 76.2% | 0 |
| May 2026 | 12 | 12 | 91.7% | 0 |
| June 2026 | 21 | 21 | 90.5% | 0 |
| July 2026 | 30 | 30 | 73.3% | 0 |