OO4775
OO4775 (SkyWest Airlines) is a multi-stop service on 17 routes, busiest Boise to Denver. Of 630 departures recorded from October 2024 to July 2026, 87.5% left on time, according to the US BTS.
- On-time departures87.5%of 630 flights
- Average delay6.3 min
- July 202631▲ 0.0%vs July 2025
- Cancelled0.6%
- Legs flown under this number17
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 | 30 | 31 | ▲ 3.3% |
| February | 27 | 28 | ▲ 3.7% |
| March | 31 | 21 | ▼ 32.3% |
| April | 30 | 30 | 0.0% |
| May | 31 | 24 | ▼ 22.6% |
| June | 30 | 30 | 0.0% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 210 | 195 | ▼ 7.1% |
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 | 82.8% | 90.3% | ▲ 9.1% |
| February | 88.9% | 77.8% | ▼ 12.5% |
| March | 87.1% | 100.0% | ▲ 14.8% |
| April | 100.0% | 93.3% | ▼ 6.7% |
| May | 93.6% | 95.8% | ▲ 2.4% |
| June | 86.7% | 73.3% | ▼ 15.4% |
| July | 93.6% | 80.7% | ▼ 13.8% |
| August | 74.2% | – | – |
| September | 80.0% | – | – |
| October | 80.7% | – | in progress |
| November | 85.7% | – | – |
| December | 74.2% | – | – |
| Year-to-date average (Jan–Jul) | 90.4% | 87.3% | ▼ 3.4% |
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 | 0 | ▼ 100.0% |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 0.0% |
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 99.4% 626
- Cancelled 0.6% 4
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 |
|---|---|---|---|---|
| BOI DEN Boise Air Terminal/Gowen Field – Denver International Airport | 1,042 | -1.0 min | 94.8% | 232 |
| LAX PHX Los Angeles International Airport – Phoenix Sky Harbor International Airport | 595 | -2.7 min | 95.5% | 66 |
| DEN GEG Denver International Airport – Spokane International Airport | 1,343 | 8.4 min | 84.2% | 58 |
| BNA ORD Nashville International Airport – Chicago O'Hare International Airport | 660 | 4.7 min | 86.8% | 55 |
| LIT DEN Bill & Hillary Clinton National Airport/Adams Field – Denver International Airport | 1,239 | 26.1 min | 64.9% | 37 |
| DEN COS Denver International Airport – City of Colorado Springs Municipal Airport | 117 | 13.3 min | 78.4% | 37 |
| ORD BTV Chicago O'Hare International Airport – Patrick Leahy Burlington International Airport | 1,225 | 4.2 min | 83.9% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 26 | 26 | 100.0% | 0 |
| December 2024 | 26 | 26 | 100.0% | 0 |
| January 2025 | 30 | 29 | 82.8% | 1 |
| February 2025 | 27 | 27 | 88.9% | 0 |
| March 2025 | 31 | 31 | 87.1% | 0 |
| April 2025 | 30 | 30 | 100.0% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 30 | 30 | 86.7% | 0 |
| July 2025 | 31 | 31 | 93.6% | 0 |
| August 2025 | 31 | 31 | 74.2% | 0 |
| September 2025 | 30 | 30 | 80.0% | 0 |
| October 2025 | 31 | 31 | 80.7% | 0 |
| November 2025 | 30 | 28 | 85.7% | 2 |
| December 2025 | 31 | 31 | 74.2% | 0 |
| January 2026 | 31 | 31 | 90.3% | 0 |
| February 2026 | 28 | 27 | 77.8% | 1 |
| March 2026 | 21 | 21 | 100.0% | 0 |
| April 2026 | 30 | 30 | 93.3% | 0 |
| May 2026 | 24 | 24 | 95.8% | 0 |
| June 2026 | 30 | 30 | 73.3% | 0 |
| July 2026 | 31 | 31 | 80.7% | 0 |