Flight OO4770
SkyWest Airlines flight OO4770
Looking for OO4770 in the air…
Denver (DEN) to Grand Junction (GJT)
Historically, this flight arrives 15+ minutes late 30% of the time, and when it is late the delay averages 73 minutes. It was cancelled 2.8% of the time.
- On-time arrivals
- 69.7%
- Less than 15 minutes late
- Cancelled
- 2.8%
- Of scheduled flights
- Average delay when late
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 363
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 41%
- Late-arriving aircraft 37%
- Air traffic control & airport 16%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Springfield (SGF) to Denver (DEN)
Only 12 flights on record, which is too few for reliable odds.
- On-time arrivals
- 91.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 18 min
- Flights arriving 15+ minutes late
- Flights tracked
- 12
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 100%
- Late-arriving aircraft 0%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 70.0% | 30 |
| October 2025 | 80.6% | 31 |
| November 2025 | 87.0% | 29 |
| December 2025 | 87.1% | 31 |
| January 2026 | 86.7% | 31 |
| February 2026 | 81.5% | 28 |
| March 2026 | 58.1% | 31 |
| April 2026 | 73.3% | 30 |
| May 2026 | 64.5% | 31 |
| June 2026 | 63.3% | 30 |
| July 2026 | 53.3% | 30 |
| August 2026 | 51.2% | 43 |
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