Route
DTW → GRB
Detroit Metropolitan Wayne County Airport Austin Straubel International Airport
287 miles
Return route GRB → DTW →
How punctual is this route?
- On-time arrivals
- 73.9%
- Less than 15 minutes late
- Cancelled
- 2.0%
- Of scheduled flights
- Average delay when late
- 97 min
- Flights arriving 15+ minutes late
- Flights tracked
- 923
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 69%
- Extreme weather 19%
- Air traffic control & airport 8%
- Late-arriving aircraft 4%
- 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 | 75.0% | 24 |
| October 2025 | 86.7% | 83 |
| November 2025 | 79.0% | 88 |
| December 2025 | 54.0% | 90 |
| January 2026 | 57.5% | 88 |
| February 2026 | 74.1% | 81 |
| March 2026 | 62.7% | 90 |
| April 2026 | 71.9% | 90 |
| May 2026 | 78.0% | 93 |
| June 2026 | 91.2% | 68 |
| July 2026 | 73.8% | 65 |
| August 2026 | 93.7% | 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 | 75.5% | 2.0% | 110 min |
| Delta Air Lines | 186 | 67.8% | 1.6% | 59 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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