AS506
AS506 (Alaska Airlines) is a multi-stop service on 8 routes, busiest San Diego to Dulles. Of 302 departures recorded from November 2024 to July 2026, 77.9% left on time, according to the US BTS.
- On-time departures77.9%of 302 flights
- Average delay11.2 min
- July 202631
- Cancelled1.0%
- 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 periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 31 | ▲ 3,000.0% |
| February | – | 28 | – |
| March | 1 | 31 | ▲ 3,000.0% |
| April | 2 | 30 | ▲ 1,400.0% |
| May | 18 | 31 | ▲ 72.2% |
| June | 11 | 30 | ▲ 172.7% |
| July | – | 31 | – |
| August | – | – | – |
| September | – | – | – |
| October | 6 | – | in progress |
| November | 20 | – | – |
| December | 30 | – | – |
according to the US BTS · November 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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 86.2% | – |
| February | – | 89.3% | – |
| March | 100.0% | 71.0% | ▼ 29.0% |
| April | 100.0% | 96.7% | ▼ 3.3% |
| May | 72.2% | 87.1% | ▲ 20.6% |
| June | 54.6% | 83.3% | ▲ 52.8% |
| July | – | 71.0% | – |
| August | – | – | – |
| September | – | – | – |
| October | 33.3% | – | in progress |
| November | 75.0% | – | – |
| December | 60.0% | – | – |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 2 | ▲ 100.0% |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · November 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 99.0% 299
- Cancelled 1.0% 3
Share of all recorded flights in the period, all legs. · Nov 22, 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 |
|---|---|---|---|---|
| SAN IAD San Diego International Airport – Washington Dulles International Airport | 3,618 | 8.8 min | 82.7% | 198 |
| SEA HNL Seattle–Tacoma International Airport – Daniel K. Inouye International Airport | 4,308 | 23.4 min | 54.8% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 1 | 1 | 100.0% | 0 |
| January 2025 | 1 | 0 | — | 1 |
| March 2025 | 1 | 1 | 100.0% | 0 |
| April 2025 | 2 | 2 | 100.0% | 0 |
| May 2025 | 18 | 18 | 72.2% | 0 |
| June 2025 | 11 | 11 | 54.6% | 0 |
| October 2025 | 6 | 6 | 33.3% | 0 |
| November 2025 | 20 | 20 | 75.0% | 0 |
| December 2025 | 30 | 30 | 60.0% | 0 |
| January 2026 | 31 | 29 | 86.2% | 2 |
| February 2026 | 28 | 28 | 89.3% | 0 |
| March 2026 | 31 | 31 | 71.0% | 0 |
| April 2026 | 30 | 30 | 96.7% | 0 |
| May 2026 | 31 | 31 | 87.1% | 0 |
| June 2026 | 30 | 30 | 83.3% | 0 |
| July 2026 | 31 | 31 | 71.0% | 0 |