Best Time to Fly AUS to DTW: On-Time Stats by Hour & Airline
Austin - Bergstrom International → Detroit Metro Wayne County
Data through July 2026 · Last updated October 18, 2026
1,321 flights were scheduled from Austin (AUS) to Detroit (DTW) in the last 12 months, and 87.6% of those that flew arrived on time, 10.0 points above the US average of 77.6%.
Among 2 airlines, Delta Air Lines led with 88.0% on time and Spirit Airlines was last with 75.0%.
Over 24 months, Tuesday was the most reliable day (90% on time) and May the worst month (81%).
The cancellation rate was 1.4% (US average 1.8%).
AUS to DTW on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Lines | 88.0% | 97 min | 1.5% | 1,285 |
| Spirit Airlines | 75.0% | 44 min | 0.0% | 36 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly AUS to DTW
On-time arrival % by scheduled departure hour (local time), 2,642 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 94.4% | 1.1% | 728 |
| 7am–8am | Limited data | 10 | |
| 8am–9am | 90.8% | 1.5% | 342 |
| 9am–10am | 84.8% | 2.1% | 47 |
| 10am–11am | Limited data | 26 | |
| 11am–12pm | 86.7% | 0.7% | 137 |
| 12pm–1pm | 85.8% | 2.3% | 173 |
| 1pm–2pm | 78.8% | 0.7% | 135 |
| 2pm–3pm | 79.8% | 0.2% | 411 |
| 3pm–4pm | Limited data | 16 | |
| 4pm–5pm | 77.3% | 0.3% | 568 |
| 5pm–6pm | 83.0% | 2.1% | 48 |
| 8pm–9pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on AUS to DTW
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 91.7% | +5.4 pts | 0.0% | 48 |
| Christmas & New Year (Dec 20 - Jan 3) | 83.8% | -2.5 pts | 2.4% | 82 |
| Summer peak (Jun 15 - Aug 15) | 83.9% | -2.3 pts | 2.2% | 504 |
| All other days | 86.2% | — | 0.6% | 2,008 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).