Best Time to Fly AUS to PHL: On-Time Stats by Hour & Airline
Austin - Bergstrom International → Philadelphia International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 76.2% of Austin (AUS) to Philadelphia (PHL) flights arrived on time (1,166 scheduled flights). That is 1.4 points below the national average of 77.6%.
Among 2 airlines, American Airlines led with 76.3% on time and Frontier Airlines was last with 74.5%.
Over 24 months, Saturday was the most reliable day (80% on time) and June the worst month (68%).
The cancellation rate was 1.9% (US average 1.8%).
AUS to PHL 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 |
|---|---|---|---|---|
| American Airlines | 76.3% | 181 min | 2.0% | 1,111 |
| Frontier Airlines | 74.5% | 64 min | 0.0% | 47 |
| Republic Airways | Limited data | 8 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly AUS to PHL
On-time arrival % by scheduled departure hour (local time), 2,147 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 85.3% | 0.0% | 34 |
| 6am–7am | 86.0% | 3.4% | 89 |
| 7am–8am | 82.0% | 2.7% | 263 |
| 8am–9am | 85.2% | 2.6% | 306 |
| 9am–10am | Limited data | 16 | |
| 10am–11am | 81.4% | 1.7% | 120 |
| 11am–12pm | 67.8% | 0.0% | 59 |
| 12pm–1pm | 72.7% | 1.8% | 382 |
| 1pm–2pm | 71.8% | 2.2% | 267 |
| 2pm–3pm | 66.2% | 1.5% | 263 |
| 3pm–4pm | 65.2% | 1.9% | 208 |
| 4pm–5pm | 69.7% | 0.0% | 76 |
| 5pm–6pm | 75.6% | 0.0% | 45 |
| 7pm–8pm | Limited data | 19 | |
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 PHL
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) | 79.1% | +2.3 pts | 0.0% | 43 |
| Christmas & New Year (Dec 20 - Jan 3) | 66.2% | -10.5 pts | 2.9% | 70 |
| Summer peak (Jun 15 - Aug 15) | 69.0% | -7.8 pts | 4.1% | 443 |
| All other days | 76.7% | — | 1.4% | 1,591 |
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).