AUS to PHL flight delays & on-time performance
Nonstop flights from Austin Bergstrom International Airport to Philadelphia International Airport · 1,431 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at AUS or PHL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Austin (AUS) to Philadelphia (PHL) arrived on time 76% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.9% were cancelled, and 12% arrived an hour or more late.
- Departures scheduled around 10am did best (85% on time); around 3pm did worst (68%).
- Tuesday was the most reliable day to fly (83% on time) and Sunday the least (67%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (55%).
Which airline is most on time from AUS to PHL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| American Airlines | 76% | 2.0% | 44 min | 11.7% | 1,111 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 75% | 0.0% | 19 min | 12.5% | 8 |
| Frontier Airlines | 74% | 0.0% | 17 min | 10.6% | 47 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am85%33 flights
- 6am85%48 flights
- 7am83%261 flights
- 9am81%16 flights
- 10am85%63 flights
- 11am69%52 flights
- 12pm74%224 flights
- 1pm79%83 flights
- 2pm69%173 flights
- 3pm68%79 flights
- 4pm70%76 flights
- 5pm76%45 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%4.7% cancelled
- Tuesday83%1.3% cancelled
- Wednesday80%1.3% cancelled
- Thursday75%0.5% cancelled
- Friday76%1.7% cancelled
- Saturday81%0.0% cancelled
- Sunday67%2.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)55%
- Late-arriving aircraft37%
- Air traffic control & airport congestion5%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather68%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion0%
- Security0%
AUS to PHL: common questions
- How often are AUS to PHL flights on time?
- 76% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Austin to Philadelphia cancelled?
- 1.9% of scheduled flights were cancelled (22 of 1,166).
- How long are typical delays?
- Across all flights the average arrival delay was 43 min (early arrivals count as zero). Flights that were late arrived 175 min behind schedule on average, and 11.7% of flights were an hour or more late.
- How long is taxi time at AUS?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PHL to AUS — 76% on time
More flights from Austin
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: AUS → PHL, nonstop flights by US airlines that report to the DOT. How we calculate this.