OO5551
OO5551 (SkyWest Airlines) is a multi-stop service on 11 routes, busiest Idaho Falls to Denver. Of 608 departures recorded from October 2024 to July 2026, 76.7% left on time, according to the US BTS.
- On-time departures76.7%of 608 flights
- Average delay13.9 min
- July 202630▼ 3.2%vs July 2025
- Cancelled1.3%
- Legs flown under this number11
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 | 27 | ▼ 12.9% |
| February | 28 | 27 | ▼ 3.6% |
| March | 31 | 24 | ▼ 22.6% |
| April | 30 | 30 | 0.0% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 30 | ▼ 3.2% |
| August | 27 | – | – |
| September | 21 | – | – |
| October | 24 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 212 | 199 | ▼ 6.1% |
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 | 96.8% | 60.0% | ▼ 38.0% |
| February | 82.1% | 88.9% | ▲ 8.2% |
| March | 83.9% | 87.0% | ▲ 3.7% |
| April | 66.7% | 86.7% | ▲ 30.0% |
| May | 51.7% | 87.1% | ▲ 68.4% |
| June | 37.9% | 63.3% | ▲ 67.0% |
| July | 90.3% | 66.7% | ▼ 26.2% |
| August | 66.7% | – | – |
| September | 76.2% | – | – |
| October | 79.2% | – | in progress |
| November | 100.0% | – | – |
| December | 74.2% | – | – |
| Year-to-date average (Jan–Jul) | 72.8% | 77.1% | ▲ 5.9% |
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 | 0 | 2 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 2 | 0 | ▼ 100.0% |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 3 | 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 98.7% 600
- Cancelled 1.3% 8
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| IDA DEN Idaho Falls Regional Airport – Denver International Airport | 736 | 22.2 min | 68.7% | 281 |
| MRY DEN Monterey Regional Airport – Denver International Airport | 1,541 | -0.5 min | 90.2% | 82 |
| DEN IDA Denver International Airport – Idaho Falls Regional Airport | 736 | 8.9 min | 79.6% | 54 |
| DEN BZN Denver International Airport – Bozeman Yellowstone International Airport | 844 | -1.2 min | 94.0% | 52 |
| MCI ORD Kansas City International Airport – Chicago O'Hare International Airport | 647 | 4.1 min | 94.4% | 36 |
| ORD LGA Chicago O'Hare International Airport – LaGuardia Airport | 1,177 | 11.2 min | 70.0% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 70.0% | 0 |
| November 2024 | 29 | 29 | 93.1% | 0 |
| December 2024 | 15 | 15 | 73.3% | 0 |
| January 2025 | 31 | 31 | 96.8% | 0 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 31 | 31 | 83.9% | 0 |
| April 2025 | 30 | 30 | 66.7% | 0 |
| May 2025 | 31 | 29 | 51.7% | 2 |
| June 2025 | 30 | 29 | 37.9% | 1 |
| July 2025 | 31 | 31 | 90.3% | 0 |
| August 2025 | 27 | 27 | 66.7% | 0 |
| September 2025 | 21 | 21 | 76.2% | 0 |
| October 2025 | 24 | 24 | 79.2% | 0 |
| November 2025 | 30 | 28 | 100.0% | 2 |
| December 2025 | 31 | 31 | 74.2% | 0 |
| January 2026 | 27 | 25 | 60.0% | 2 |
| February 2026 | 27 | 27 | 88.9% | 0 |
| March 2026 | 24 | 23 | 87.0% | 1 |
| April 2026 | 30 | 30 | 86.7% | 0 |
| May 2026 | 31 | 31 | 87.1% | 0 |
| June 2026 | 30 | 30 | 63.3% | 0 |
| July 2026 | 30 | 30 | 66.7% | 0 |