OO4137
OO4137 (SkyWest Airlines) is a multi-stop service on 5 routes, busiest Spokane to Seattle. Of 485 departures recorded from October 2024 to June 2026, 93.4% left on time, according to the US BTS.
- On-time departures93.4%of 485 flights
- Average delay0.7 min
- June 20267▼ 76.7%vs June 2025
- Cancelled0.2%
- Legs flown under this number5
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 26 | 30 | ▲ 15.4% |
| February | 28 | 27 | ▼ 3.6% |
| March | 8 | 7 | ▼ 12.5% |
| April | 17 | 3 | ▼ 82.4% |
| May | 31 | 26 | ▼ 16.1% |
| June | 30 | 7 | ▼ 76.7% |
| July | 31 | – | – |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 26 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jun) | 140 | 100 | ▼ 28.6% |
according to the US BTS · October 2024 → June 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 96.2% | 79.3% | ▼ 17.5% |
| February | 89.3% | 100.0% | ▲ 12.0% |
| March | 87.5% | 100.0% | ▲ 14.3% |
| April | 94.1% | 100.0% | ▲ 6.2% |
| May | 100.0% | 96.2% | ▼ 3.8% |
| June | 96.7% | 100.0% | ▲ 3.4% |
| July | 100.0% | – | – |
| August | 100.0% | – | – |
| September | 96.7% | – | – |
| October | 87.1% | – | in progress |
| November | 100.0% | – | – |
| December | 100.0% | – | – |
| Year-to-date average (Jan–Jun) | 94.0% | 95.9% | ▲ 2.1% |
according to the US BTS · October 2024 → June 2026
Average departure delay by month
according to the US BTS · October 2024 → June 2026
Cancelled departures by month
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jun) | 0 | 1 |
according to the US BTS · October 2024 → June 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 99.8% 484
- Cancelled 0.2% 1
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jun 7, 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 |
|---|---|---|---|---|
| GEG SEA Spokane International Airport – Seattle–Tacoma International Airport | 359 | -2.7 min | 95.4% | 416 |
| SEA GEG Seattle–Tacoma International Airport – Spokane International Airport | 359 | 15.3 min | 80.0% | 35 |
| PVD DTW Rhode Island T. F. Green International Airport – Detroit Metropolitan Wayne County Airport | 987 | 32.2 min | 80.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 70.0% | 0 |
| November 2024 | 28 | 28 | 92.9% | 0 |
| December 2024 | 17 | 17 | 70.6% | 0 |
| January 2025 | 26 | 26 | 96.2% | 0 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 8 | 8 | 87.5% | 0 |
| April 2025 | 17 | 17 | 94.1% | 0 |
| May 2025 | 31 | 31 | 100.0% | 0 |
| June 2025 | 30 | 30 | 96.7% | 0 |
| July 2025 | 31 | 31 | 100.0% | 0 |
| August 2025 | 31 | 31 | 100.0% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 31 | 31 | 87.1% | 0 |
| November 2025 | 26 | 26 | 100.0% | 0 |
| December 2025 | 31 | 31 | 100.0% | 0 |
| January 2026 | 30 | 29 | 79.3% | 1 |
| February 2026 | 27 | 27 | 100.0% | 0 |
| March 2026 | 7 | 7 | 100.0% | 0 |
| April 2026 | 3 | 3 | 100.0% | 0 |
| May 2026 | 26 | 26 | 96.2% | 0 |
| June 2026 | 7 | 7 | 100.0% | 0 |