Best Time to Fly AUS to PIT: On-Time Stats by Hour & Airline
Austin - Bergstrom International → Pittsburgh International
Data through July 2026 · Last updated October 18, 2026
321 flights were scheduled from Austin (AUS) to Pittsburgh (PIT) in the last 12 months, and 69.8% of those that flew arrived on time, 7.8 points below the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (79% on time) and July the worst month (48%).
The cancellation rate was 0.0% (US average 1.8%).
AUS to PIT 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 |
|---|---|---|---|---|
| Southwest Airlines | 69.6% | 50 min | 0.0% | 296 |
| Allegiant Air | Limited data | 25 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly AUS to PIT
On-time arrival % by scheduled departure hour (local time), 645 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 4 | |
| 8am–9am | 94.7% | 0.0% | 38 |
| 9am–10am | 93.0% | 0.0% | 57 |
| 10am–11am | Limited data | 28 | |
| 11am–12pm | Limited data | 4 | |
| 12pm–1pm | Limited data | 21 | |
| 1pm–2pm | Limited data | 27 | |
| 2pm–3pm | 74.0% | 0.0% | 105 |
| 3pm–4pm | 69.8% | 0.0% | 53 |
| 4pm–5pm | Limited data | 29 | |
| 5pm–6pm | 67.0% | 0.0% | 115 |
| 6pm–7pm | 52.1% | 0.0% | 96 |
| 7pm–8pm | 54.7% | 0.0% | 53 |
| 8pm–9pm | Limited data | 15 | |
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 PIT
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) | Limited data | 12 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 60.0% | -14.1 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 57.6% | -16.4 pts | 0.0% | 151 |
| All other days | 74.1% | — | 0.0% | 452 |
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).