Austin (AUS) to Detroit (DTW): On-Time Performance
Data through May 2026
When you fly AUS to DTW matters as much as anything else about the booking: the route swung from 95% on-time in September 2025 to just 71% in May 2025. Across the full period the route averages 85% on-time against a national 78%.
- On-time
- 85%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 3.7
- last 12 months
- Duration
- 2h 57m
- scheduled
- Distance
- 1,149 mi
Best airline from AUS to DTW
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 85% | 15 min | 1.0% | 2,568 |
| Spirit Airlines | 73% | 35 min | 3.1% | 65 |
Monthly on-time trend
Best time to fly from AUS to DTW
Aim for departures around 5 a.m. (94% on-time); avoid 4 p.m. departures (76%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 23 min |
| Tuesdaybest | 90% | 10 min |
| Wednesday | 89% | 11 min |
| Thursday | 83% | 13 min |
| Friday | 84% | 18 min |
| Saturday | 87% | 12 min |
| Sunday | 83% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft37%
- Airline operations50%
- National airspace system7%
- Weather6%
Frequently asked questions
- How often are flights from AUS to DTW delayed?
- 15% of AUS–DTW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 15 minutes.
- Which airline is most reliable from AUS to DTW?
- Delta Air Lines has the best on-time record on this route at 85%, based on 2,568 flights. 2 airlines flew AUS–DTW frequently enough to compare in this period.
- What is the best time of day to fly from AUS to DTW?
- Departures around 5 a.m. have the best record (94% on-time), while departures around 4 p.m. have the worst (76%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from AUS to DTW?
- The scheduled AUS–DTW flight time averages 2h 57m over 1,149 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
- How often are AUS to DTW flights cancelled?
- 1.1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from AUS to DTW?
- May 2025 was the roughest month in this dataset, with only 71% of arrivals on time. The best was September 2025 at 95%. If your dates are flexible, that 24-point gap is worth planning around.
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Based on 2,639 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.