OO4891
OO4891 (SkyWest Airlines) is a multi-stop service on 28 routes, busiest Portland to Los Angeles. Of 867 departures recorded from October 2024 to July 2026, 72.9% left on time, according to the US BTS.
- On-time departures72.9%of 867 flights
- Average delay24.7 min
- July 202619▼ 69.4%vs July 2025
- Cancelled1.9%
- Legs flown under this number28
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 31 | 0.0% |
| February | 44 | 32 | ▼ 27.3% |
| March | 16 | 24 | ▲ 50.0% |
| April | 33 | 50 | ▲ 51.5% |
| May | 43 | 51 | ▲ 18.6% |
| June | 56 | 30 | ▼ 46.4% |
| July | 62 | 19 | ▼ 69.4% |
| August | 62 | – | – |
| September | 45 | – | – |
| October | 55 | – | in progress |
| November | 23 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 285 | 237 | ▼ 16.8% |
according to the US BTS · October 2024 → July 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 periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 63.3% | 44.8% | ▼ 29.2% |
| February | 54.6% | 51.7% | ▼ 5.2% |
| March | 53.3% | 69.6% | ▲ 30.5% |
| April | 90.9% | 86.0% | ▼ 5.4% |
| May | 93.0% | 82.4% | ▼ 11.5% |
| June | 66.1% | 79.3% | ▲ 20.0% |
| July | 67.7% | 73.7% | ▲ 8.8% |
| August | 71.0% | – | – |
| September | 84.4% | – | – |
| October | 83.6% | – | in progress |
| November | 57.9% | – | – |
| December | 41.4% | – | – |
| Year-to-date average (Jan–Jul) | 69.9% | 69.6% | ▼ 0.3% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 2 | ▲ 100.0% |
| February | 0 | 3 | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 2 | 7 | ▲ 250.0% |
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 98.2% 851
- Cancelled 1.8% 16
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PDX LAX Portland International Airport – Los Angeles International Airport | 1,343 | 21.0 min | 79.5% | 146 |
| LAX PDX Los Angeles International Airport – Portland International Airport | 1,343 | 10.8 min | 82.1% | 145 |
| COS DFW City of Colorado Springs Municipal Airport – Dallas Fort Worth International Airport | 953 | 27.1 min | 67.4% | 91 |
| ASE ORD Aspen-Pitkin County Airport (Sardy Field) – Chicago O'Hare International Airport | 1,627 | 65.5 min | 46.1% | 83 |
| LAX ABQ Los Angeles International Airport – Albuquerque International Sunport | 1,088 | 4.7 min | 84.1% | 44 |
| ABQ LAX Albuquerque International Sunport – Los Angeles International Airport | 1,088 | -0.4 min | 90.9% | 44 |
| DFW AMA Dallas Fort Worth International Airport – Rick Husband Amarillo International Airport | 502 | 25.7 min | 75.6% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 72.5% | 0 |
| November 2024 | 56 | 56 | 80.4% | 0 |
| December 2024 | 33 | 32 | 90.6% | 1 |
| January 2025 | 31 | 30 | 63.3% | 1 |
| February 2025 | 44 | 44 | 54.6% | 0 |
| March 2025 | 16 | 15 | 53.3% | 1 |
| April 2025 | 33 | 33 | 90.9% | 0 |
| May 2025 | 43 | 43 | 93.0% | 0 |
| June 2025 | 56 | 56 | 66.1% | 0 |
| July 2025 | 62 | 62 | 67.7% | 0 |
| August 2025 | 62 | 62 | 71.0% | 0 |
| September 2025 | 45 | 45 | 84.4% | 0 |
| October 2025 | 55 | 55 | 83.6% | 0 |
| November 2025 | 23 | 19 | 57.9% | 4 |
| December 2025 | 31 | 29 | 41.4% | 2 |
| January 2026 | 31 | 29 | 44.8% | 2 |
| February 2026 | 32 | 29 | 51.7% | 3 |
| March 2026 | 24 | 23 | 69.6% | 1 |
| April 2026 | 50 | 50 | 86.0% | 0 |
| May 2026 | 51 | 51 | 82.4% | 0 |
| June 2026 | 30 | 29 | 79.3% | 1 |
| July 2026 | 19 | 19 | 73.7% | 0 |