AS333
AS333 (Alaska Airlines) is a multi-stop service on 3 routes, busiest Chicago to Seattle. Of 169 departures recorded from October 2024 to June 2025, 85.6% left on time, according to the US BTS.
- On-time departures85.6%of 169 flights
- Average delay7.7 min
- June 20251
- Cancelled1.2%
- Legs flown under this number3
Recorded departures by month
Short series — AS333 has only 9 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
The most recent periods9 periods
| Period | Departures 2024 | Departures 2025 | Change vs last year |
|---|---|---|---|
| January | – | 28 | – |
| February | – | 26 | – |
| March | – | 18 | – |
| April | – | 9 | – |
| May | – | 14 | – |
| June | – | 1 | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 20 | – | – |
| November | 30 | – | – |
| December | 23 | – | – |
according to the US BTS · October 2024 → June 2025
On-time departures by month
Short series — AS333 has only 9 months so far. Enough to show the level now, not enough to read a trend.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods9 periods
| Period | On time 2024 | On time 2025 | Change vs last year |
|---|---|---|---|
| January | – | 81.5% | – |
| February | – | 76.9% | – |
| March | – | 82.4% | – |
| April | – | 100.0% | – |
| May | – | 78.6% | – |
| June | – | 0.0% | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 90.0% | – | – |
| November | 96.7% | – | – |
| December | 87.0% | – | – |
according to the US BTS · October 2024 → June 2025
Average departure delay by month
Short series — AS333 has only 9 months so far. Enough to show the level now, not enough to read a trend.
according to the US BTS · October 2024 → June 2025
Cancelled departures by month
Short series — AS333 has only 9 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods9 periods
| Period | Cancelled 2024 | Cancelled 2025 | Change vs last year |
|---|---|---|---|
| January | – | 1 | – |
| February | – | 0 | – |
| March | – | 1 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | – |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → June 2025
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 98.8% 167
- Cancelled 1.2% 2
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jun 11, 2025
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD SEA Chicago O'Hare International Airport – Seattle–Tacoma International Airport | 2,762 | 8.4 min | 86.0% | 145 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 96.7% | 0 |
| December 2024 | 23 | 23 | 87.0% | 0 |
| January 2025 | 28 | 27 | 81.5% | 1 |
| February 2025 | 26 | 26 | 76.9% | 0 |
| March 2025 | 18 | 17 | 82.4% | 1 |
| April 2025 | 9 | 9 | 100.0% | 0 |
| May 2025 | 14 | 14 | 78.6% | 0 |
| June 2025 | 1 | 1 | 0.0% | 0 |