Flight OO4157
SkyWest Airlines flight OO4157
Looking for OO4157 in the air…
Detroit (DTW) to Grand Rapids (GRR)
Historically, this flight arrives 15+ minutes late 39% of the time, and when it is late the delay averages 115 minutes. It was cancelled 1.6% of the time.
- On-time arrivals
- 60.7%
- Less than 15 minutes late
- Cancelled
- 1.6%
- Of scheduled flights
- Average delay when late
- 115 min
- Flights arriving 15+ minutes late
- Flights tracked
- 62
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 81%
- Extreme weather 15%
- Air traffic control & airport 4%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Boise (BOI) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 13% of the time, and when it is late the delay averages 30 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 87.1%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 30 min
- Flights arriving 15+ minutes late
- Flights tracked
- 31
- Scheduled flights in the period
What caused the delays
- Extreme weather 62%
- Airline (crew, maintenance, cleaning) 37%
- Air traffic control & airport 2%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Grand Rapids (GRR) to Detroit (DTW)
Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 70 minutes. It was cancelled 4.2% of the time.
- On-time arrivals
- 82.6%
- Less than 15 minutes late
- Cancelled
- 4.2%
- Of scheduled flights
- Average delay when late
- 70 min
- Flights arriving 15+ minutes late
- Flights tracked
- 24
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 99%
- Air traffic control & airport 1%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Detroit (DTW) to Memphis (MEM)
Only 11 flights on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 11
- Scheduled flights in the period
Memphis (MEM) to Detroit (DTW)
Only 11 flights on record, which is too few for reliable odds.
- On-time arrivals
- 81.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 186 min
- Flights arriving 15+ minutes late
- Flights tracked
- 11
- 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).
Show as table
| Month | On time | Flights |
|---|---|---|
| January 2026 | 55.6% | 27 |
| February 2026 | 76.7% | 45 |
| March 2026 | 57.1% | 14 |
| May 2026 | 84.0% | 25 |
| June 2026 | 91.7% | 12 |
| July 2026 | 100.0% | 6 |
| August 2026 | 90.0% | 10 |
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