PHL to AUS flight delays & on-time performance
Nonstop flights from Philadelphia International Airport to Austin Bergstrom International Airport · 1,431 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PHL or AUS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Philadelphia (PHL) to Austin (AUS) arrived on time 76% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.6% were cancelled, and 10% arrived an hour or more late.
- Departures scheduled around 7am did best (92% on time); around 6pm did worst (66%).
- Tuesday was the most reliable day to fly (83% on time) and Sunday the least (68%).
- The largest source of delay minutes was late-arriving aircraft (54%).
Which airline is most on time from PHL to AUS?
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 |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 88% | 0.0% | 13 min | 12.5% | 8 |
| Frontier Airlines | 81% | 0.0% | 12 min | 6.4% | 47 |
| American Airlines | 76% | 1.7% | 21 min | 10.1% | 1,109 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am92%52 flights
- 8am80%229 flights
- 9am85%79 flights
- 10am78%81 flights
- 11am77%204 flights
- 12pm73%70 flights
- 1pm79%64 flights
- 3pm73%22 flights
- 5pm67%116 flights
- 6pm66%129 flights
- 7pm73%103 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday74%3.7% cancelled
- Tuesday83%2.6% cancelled
- Wednesday79%0.0% cancelled
- Thursday73%1.1% cancelled
- Friday80%0.6% cancelled
- Saturday80%0.9% cancelled
- Sunday68%2.1% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft54%
- Airline (crew, maintenance, cleaning, fueling)27%
- Air traffic control & airport congestion17%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather84%
- Airline (crew, maintenance, cleaning, fueling)16%
- Air traffic control & airport congestion0%
- Security0%
PHL to AUS: common questions
- How often are PHL to AUS 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 Philadelphia to Austin cancelled?
- 1.6% of scheduled flights were cancelled (19 of 1,164).
- How long are typical delays?
- Across all flights the average arrival delay was 21 min (early arrivals count as zero). Flights that were late arrived 82 min behind schedule on average, and 10.0% of flights were an hour or more late.
- How long is taxi time at PHL?
- Flights on this route spent 23 min taxiing from the gate to takeoff on average.
Related routes
Return trip: AUS to PHL — 76% on time
More flights from Philadelphia
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PHL → AUS, nonstop flights by US airlines that report to the DOT. How we calculate this.