Best Time to Fly DTW to AUS: On-Time Stats by Hour & Airline
Detroit Metro Wayne County → Austin - Bergstrom International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 80.6% of Detroit (DTW) to Austin (AUS) flights arrived on time (1,320 scheduled flights). That is 3.0 points above the national average of 77.6%.
Spirit Airlines was the most punctual of the 2 airlines on the route at 82.9%, while Delta Air Lines trailed at 80.6%.
October has been the best month (88% on time) and Thursday the weakest day of the week (75%).
1.4% of flights were cancelled, versus 1.8% nationally.
DTW to AUS 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 |
|---|---|---|---|---|
| Spirit Airlines | 82.9% | 40 min | 0.0% | 35 |
| Delta Air Lines | 80.6% | 52 min | 1.5% | 1,285 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DTW to AUS
On-time arrival % by scheduled departure hour (local time), 2,640 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 86.4% | 0.6% | 672 |
| 9am–10am | 80.0% | 2.6% | 77 |
| 10am–11am | 83.9% | 0.0% | 32 |
| 12pm–1pm | 78.7% | 0.7% | 541 |
| 1pm–2pm | Limited data | 20 | |
| 2pm–3pm | Limited data | 1 | |
| 3pm–4pm | 79.5% | 0.4% | 260 |
| 4pm–5pm | 71.8% | 0.3% | 370 |
| 5pm–6pm | Limited data | 24 | |
| 6pm–7pm | Limited data | 2 | |
| 7pm–8pm | 77.4% | 1.4% | 139 |
| 8pm–9pm | 72.0% | 1.2% | 484 |
| 9pm–10pm | Limited data | 18 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DTW to AUS
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) | 54.2% | -27.7 pts | 0.0% | 48 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.8% | -3.1 pts | 2.4% | 82 |
| Summer peak (Jun 15 - Aug 15) | 66.6% | -15.3 pts | 1.4% | 504 |
| All other days | 81.9% | — | 0.7% | 2,006 |
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).