OO3427
OO3427 (SkyWest Airlines) is a multi-stop service on 7 routes, busiest Portland to Tucson. Of 337 departures recorded from October 2024 to June 2026, 74.2% left on time, according to the US BTS.
- On-time departures74.2%of 337 flights
- Average delay11.0 min
- June 20262▼ 88.9%vs June 2025
- Cancelled2.4%
- Legs flown under this number7
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 20 | 1 | ▼ 95.0% |
| February | 16 | – | – |
| March | 23 | 14 | ▼ 39.1% |
| April | 29 | 25 | ▼ 13.8% |
| May | 24 | 13 | ▼ 45.8% |
| June | 18 | 2 | ▼ 88.9% |
| July | 16 | – | – |
| August | 18 | – | – |
| September | 17 | – | – |
| October | 28 | – | in progress |
| November | 11 | – | – |
| December | 8 | – | – |
according to the US BTS · October 2024 → June 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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 50.0% | 100.0% | ▲ 100.0% |
| February | 66.7% | – | – |
| March | 82.6% | 92.3% | ▲ 11.7% |
| April | 58.6% | 96.0% | ▲ 63.8% |
| May | 66.7% | 84.6% | ▲ 26.9% |
| June | 64.7% | 50.0% | ▼ 22.7% |
| July | 71.4% | – | – |
| August | 75.0% | – | – |
| September | 87.5% | – | – |
| October | 82.1% | – | in progress |
| November | 81.8% | – | – |
| December | 62.5% | – | – |
according to the US BTS · October 2024 → June 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → June 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 1 | – | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 2 | – | – |
| August | 2 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
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 97.6% 329
- Cancelled 2.4% 8
Share of all recorded flights in the period, all legs. · Oct 13, 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 |
|---|---|---|---|---|
| PDX TUS Portland International Airport – Tucson International Airport | 1,803 | 13.0 min | 70.1% | 155 |
| SAN LAS San Diego International Airport – Harry Reid International Airport | 417 | 12.1 min | 71.9% | 127 |
| SEA IDA Seattle–Tacoma International Airport – Idaho Falls Regional Airport | 909 | -1.5 min | 97.0% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 11 | 11 | 72.7% | 0 |
| November 2024 | 20 | 20 | 75.0% | 0 |
| December 2024 | 23 | 23 | 69.6% | 0 |
| January 2025 | 20 | 20 | 50.0% | 0 |
| February 2025 | 16 | 15 | 66.7% | 1 |
| March 2025 | 23 | 23 | 82.6% | 0 |
| April 2025 | 29 | 29 | 58.6% | 0 |
| May 2025 | 24 | 24 | 66.7% | 0 |
| June 2025 | 18 | 17 | 64.7% | 1 |
| July 2025 | 16 | 14 | 71.4% | 2 |
| August 2025 | 18 | 16 | 75.0% | 2 |
| September 2025 | 17 | 16 | 87.5% | 1 |
| October 2025 | 28 | 28 | 82.1% | 0 |
| November 2025 | 11 | 11 | 81.8% | 0 |
| December 2025 | 8 | 8 | 62.5% | 0 |
| January 2026 | 1 | 1 | 100.0% | 0 |
| March 2026 | 14 | 13 | 92.3% | 1 |
| April 2026 | 25 | 25 | 96.0% | 0 |
| May 2026 | 13 | 13 | 84.6% | 0 |
| June 2026 | 2 | 2 | 50.0% | 0 |