BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
PHL→AUS

Philadelphia, PA (PHL) to Austin, TX (AUS) flight delay odds

75.5% of 1,201 official scheduled PHL-to-AUS flights arrived on time; 16.7% arrived at least 30 minutes late and 1.9% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
75.5%arrived on time
16.7%30+ min late
1.9%cancelled
1,201scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.7%all scheduled flights
120+ minutes late4.1%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+8.7 mincompleted flights

Which departure time was most reliable for PHL to AUS?

Among qualifying PHL-to-AUS departure window results, Early morning had the highest on-time rate: 84.0% of 287 flights. Evening was lowest at 65.4% across 347 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning28784.0%10.8%0.7%
Late morning39379.1%14.2%1.8%
Afternoon17473.6%18.4%1.1%
Evening34765.4%23.3%3.5%

Which weekday was most reliable for PHL to AUS?

Among qualifying PHL-to-AUS weekday results, Tuesday had the highest on-time rate: 84.0% of 162 flights. Sunday was lowest at 67.3% across 199 flights.

DayFlightsOn time30+ minCancelled
Monday19471.1%19.1%4.6%
Tuesday16284.0%10.5%1.9%
Wednesday15578.7%14.8%0.0%
Thursday19472.7%21.6%0.5%
Friday17779.7%10.7%0.6%
Saturday12079.2%15.8%0.8%
Sunday19967.3%21.6%4.0%

Which airline was most reliable for PHL to AUS?

Among qualifying PHL-to-AUS airline results, Frontier Airlines had the highest on-time rate: 76.8% of 56 flights. American Airlines was lowest at 75.4% across 1,137 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines1,13775.4%16.8%1.8%
Frontier Airlines5676.8%14.3%3.6%
Republic Airways887.5%12.5%0.0%

Which month was most reliable for PHL to AUS?

Among qualifying PHL-to-AUS month results, May 2026 had the highest on-time rate: 81.7% of 104 flights. December 2025 was lowest at 71.3% across 87 flights.

MonthFlightsOn time30+ minCancelled
July 202512776.4%15.0%5.5%
August 202511873.7%15.3%1.7%
September 202511275.9%18.8%0.0%
October 202512273.8%18.9%0.0%
November 202512173.6%18.2%0.0%
December 20258771.3%17.2%1.1%
January 20266274.2%16.1%9.7%
February 20266880.9%8.8%7.4%
March 20268974.2%21.3%2.2%
April 20267879.5%16.7%0.0%
May 202610481.7%12.5%0.0%
June 202611373.5%18.6%0.0%

What drove PHL to AUS delay minutes?

Late aircraft was the largest recorded PHL-to-AUS delay category, accounting for 50.8% of 22,885 BTS-attributed delay minutes during July 2025–June 2026.

Airline29.7%
Late aircraft50.8%
National airspace16.9%
Weather2.5%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.