OO4821
OO4821 (SkyWest Airlines) is a multi-stop service on 10 routes, busiest Dallas-Fort Worth to Grand Island. Of 917 departures recorded from October 2024 to July 2026, 72.1% left on time, according to the US BTS.
- On-time departures72.1%of 917 flights
- Average delay22.0 min
- July 202653▼ 14.5%vs July 2025
- Cancelled1.9%
- Legs flown under this number10
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 10 | 62 | ▲ 520.0% |
| February | – | 56 | – |
| March | – | 62 | – |
| April | – | 52 | – |
| May | – | 54 | – |
| June | – | 50 | – |
| July | 62 | 53 | ▼ 14.5% |
| August | 62 | – | – |
| September | 60 | – | – |
| October | 61 | – | in progress |
| November | 58 | – | – |
| December | 60 | – | – |
according to the US BTS · October 2024 → July 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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 50.0% | 71.7% | ▲ 43.3% |
| February | – | 70.4% | – |
| March | – | 67.7% | – |
| April | – | 84.0% | – |
| May | – | 66.7% | – |
| June | – | 42.6% | – |
| July | 75.8% | 69.8% | ▼ 7.9% |
| August | 82.0% | – | – |
| September | 83.3% | – | – |
| October | 78.0% | – | in progress |
| November | 67.9% | – | – |
| December | 80.0% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | – | 2 | – |
| March | – | 0 | – |
| April | – | 2 | – |
| May | – | 3 | – |
| June | – | 3 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 2 | – | in progress |
| November | 2 | – | – |
| December | 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 98.1% 900
- Cancelled 1.9% 17
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DFW GRI Dallas Fort Worth International Airport – Central Nebraska Regional Airport | 905 | 18.2 min | 73.7% | 379 |
| GRI DFW Central Nebraska Regional Airport – Dallas Fort Worth International Airport | 905 | 29.7 min | 71.8% | 373 |
| PHX FAT Phoenix Sky Harbor International Airport – Fresno Yosemite International Airport | 793 | 19.6 min | 62.3% | 53 |
| FAT PHX Fresno Yosemite International Airport – Phoenix Sky Harbor International Airport | 793 | 17.8 min | 58.0% | 50 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 82.5% | 0 |
| November 2024 | 59 | 59 | 69.5% | 0 |
| December 2024 | 56 | 56 | 62.5% | 0 |
| January 2025 | 10 | 10 | 50.0% | 0 |
| July 2025 | 62 | 62 | 75.8% | 0 |
| August 2025 | 62 | 61 | 82.0% | 1 |
| September 2025 | 60 | 60 | 83.3% | 0 |
| October 2025 | 61 | 59 | 78.0% | 2 |
| November 2025 | 58 | 56 | 67.9% | 2 |
| December 2025 | 60 | 60 | 80.0% | 0 |
| January 2026 | 62 | 60 | 71.7% | 2 |
| February 2026 | 56 | 54 | 70.4% | 2 |
| March 2026 | 62 | 62 | 67.7% | 0 |
| April 2026 | 52 | 50 | 84.0% | 2 |
| May 2026 | 54 | 51 | 66.7% | 3 |
| June 2026 | 50 | 47 | 42.6% | 3 |
| July 2026 | 53 | 53 | 69.8% | 0 |