Route
GRB → DTW
Austin Straubel International Airport Detroit Metropolitan Wayne County Airport
287 miles
Return route DTW → GRB →
How punctual is this route?
- On-time arrivals
- 82.4%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 111 min
- Flights arriving 15+ minutes late
- Flights tracked
- 924
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 66%
- Extreme weather 17%
- Late-arriving aircraft 12%
- Air traffic control & airport 6%
- 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 | 95.8% | 24 |
| October 2025 | 88.1% | 84 |
| November 2025 | 82.9% | 88 |
| December 2025 | 72.1% | 90 |
| January 2026 | 67.8% | 88 |
| February 2026 | 84.0% | 81 |
| March 2026 | 67.5% | 90 |
| April 2026 | 80.0% | 90 |
| May 2026 | 82.6% | 93 |
| June 2026 | 97.1% | 68 |
| July 2026 | 93.8% | 65 |
| August 2026 | 96.8% | 63 |
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
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| SkyWest Airlines | 737 | 82.7% | 1.9% | 119 min |
| Delta Air Lines | 187 | 81.3% | 1.6% | 80 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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