Detroit (DTW) to Austin (AUS): On-Time Performance
Data through May 2026
Detroit (DTW) to Austin (AUS) effectively runs on two schedules. In September 2025, 91% of arrivals were on time; in July 2024 that fell to 52% — a 40-point seasonal swing. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (85% vs 73%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 3.7
- last 12 months
- Duration
- 3h 15m
- scheduled
- Distance
- 1,149 mi
Best airline from DTW to AUS
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 77% | 14 min | 1.0% | 2,568 |
| Spirit Airlines | 77% | 16 min | 1.6% | 63 |
Monthly on-time trend
Best time to fly from DTW to AUS
Aim for departures around 8 a.m. (86% on-time); avoid 1 p.m. departures (55%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 16 min |
| Tuesdaybest | 84% | 8 min |
| Wednesday | 79% | 11 min |
| Thursday | 75% | 14 min |
| Friday | 77% | 13 min |
| Saturday | 79% | 17 min |
| Sunday | 74% | 17 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft18%
- Airline operations46%
- National airspace system31%
- Weather4%
Frequently asked questions
- How often are flights from DTW to AUS delayed?
- 23% of DTW–AUS 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 14 minutes.
- Which airline is most reliable from DTW to AUS?
- Delta Air Lines has the best on-time record on this route at 77%, based on 2,568 flights. 2 airlines flew DTW–AUS frequently enough to compare in this period.
- What is the best time of day to fly from DTW to AUS?
- Departures around 8 a.m. have the best record (86% on-time), while departures around 1 p.m. have the worst (55%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DTW to AUS?
- The scheduled DTW–AUS flight time averages 3h 15m over 1,149 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are DTW to AUS flights cancelled?
- 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 DTW to AUS?
- July 2024 was the roughest month in this dataset, with only 52% of arrivals on time. The best was September 2025 at 91%. If your dates are flexible, that 40-point gap is worth planning around.
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Based on 2,637 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.