Flight OO4821
SkyWest Airlines flight OO4821
Looking for OO4821 in the air…
Dallas-Fort Worth (DFW) to Grand Island (GRI)
Historically, this flight arrives 15+ minutes late 26% of the time, and when it is late the delay averages 86 minutes. It was cancelled 1.5% of the time.
- On-time arrivals
- 74.2%
- Less than 15 minutes late
- Cancelled
- 1.5%
- Of scheduled flights
- Average delay when late
- 86 min
- Flights arriving 15+ minutes late
- Flights tracked
- 344
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 38%
- Airline (crew, maintenance, cleaning) 35%
- Extreme weather 17%
- Air traffic control & airport 11%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Grand Island (GRI) to Dallas-Fort Worth (DFW)
Historically, this flight arrives 15+ minutes late 27% of the time, and when it is late the delay averages 122 minutes. It was cancelled 3.3% of the time.
- On-time arrivals
- 73.0%
- Less than 15 minutes late
- Cancelled
- 3.3%
- Of scheduled flights
- Average delay when late
- 122 min
- Flights arriving 15+ minutes late
- Flights tracked
- 338
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 47%
- Late-arriving aircraft 34%
- Extreme weather 11%
- Air traffic control & airport 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.7% | 60 |
| October 2025 | 81.0% | 61 |
| November 2025 | 60.0% | 58 |
| December 2025 | 83.3% | 60 |
| January 2026 | 71.7% | 62 |
| February 2026 | 75.9% | 56 |
| March 2026 | 72.6% | 62 |
| April 2026 | 84.0% | 52 |
| May 2026 | 68.6% | 54 |
| June 2026 | 50.0% | 50 |
| July 2026 | 71.7% | 53 |
| August 2026 | 72.2% | 54 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data