AS891
AS891 (Alaska Airlines) is a multi-stop service on 5 routes, busiest Chicago to Seattle. Of 322 departures recorded from November 2024 to May 2026, 89.7% left on time, according to the US BTS.
- On-time departures89.7%of 322 flights
- Average delay2.9 min
- May 202612▼ 61.3%vs May 2025
- Cancelled0.6%
- Legs flown under this number5
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods13 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 31 | – |
| February | – | 28 | – |
| March | 14 | 17 | ▲ 21.4% |
| April | 29 | 8 | ▼ 72.4% |
| May | 31 | 12 | ▼ 61.3% |
| June | 30 | – | – |
| July | 31 | – | – |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 25 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · November 2024 → May 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 periods13 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 93.6% | – |
| February | – | 96.4% | – |
| March | 85.7% | 94.1% | ▲ 9.8% |
| April | 93.1% | 100.0% | ▲ 7.4% |
| May | 90.3% | 83.3% | ▼ 7.7% |
| June | 93.3% | – | – |
| July | 83.9% | – | – |
| August | 80.7% | – | – |
| September | 86.2% | – | – |
| October | 95.8% | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · November 2024 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · November 2024 → May 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods13 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 1 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · November 2024 → May 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 99.4% 320
- Cancelled 0.6% 2
Share of all recorded flights in the period, all legs. · Nov 10, 2024 → May 12, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ORD SEA Chicago O'Hare International Airport – Seattle–Tacoma International Airport | 2,762 | 2.8 min | 87.3% | 136 |
| SJC HNL Mineta San Jose International Airport – Daniel K. Inouye International Airport | 3,886 | 3.5 min | 92.8% | 97 |
| SAN KOA San Diego International Airport – Ellison Onizuka Kona International Airport at Keāhole | 4,108 | 1.7 min | 90.6% | 85 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 4 | 4 | 50.0% | 0 |
| December 2024 | 1 | 1 | 100.0% | 0 |
| March 2025 | 14 | 14 | 85.7% | 0 |
| April 2025 | 29 | 29 | 93.1% | 0 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 30 | 30 | 93.3% | 0 |
| July 2025 | 31 | 31 | 83.9% | 0 |
| August 2025 | 31 | 31 | 80.7% | 0 |
| September 2025 | 30 | 29 | 86.2% | 1 |
| October 2025 | 25 | 24 | 95.8% | 1 |
| January 2026 | 31 | 31 | 93.6% | 0 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 17 | 17 | 94.1% | 0 |
| April 2026 | 8 | 8 | 100.0% | 0 |
| May 2026 | 12 | 12 | 83.3% | 0 |