PlainFlights

Route · AUS → PHL · 2020–2025 BTS data

Austin to Philadelphia

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), AUS to PHL (Austin to Philadelphia) ranks #2765 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

77.1%
On-time
-1.9 pts
vs US avg
133 min
Delay when late
4,314
Flights
#2765 of 4927
Corpus placement

Cancelled

1.8%

Best Month

Feb 2024 91%

Worst Month

Jun 2025 62%

Distance

1,430 mi

Carriers

7

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 87 22 2 0 F9,AA
Nov 2025 121 35 0 0 F9,AA
Oct 2025 122 34 0 0 AA,F9
Sep 2025 113 21 0 0 F9,AA
Aug 2025 117 28 3 1 AA,F9
Jul 2025 126 39 8 1 AA,F9
Jun 2025 121 46 3 0 AA,F9
May 2025 95 25 2 0 AA,F9
Apr 2025 80 21 2 0 AA
Mar 2025 57 11 0 0 AA
Feb 2025 52 9 2 1 AA
Jan 2025 57 10 0 0 AA
Dec 2024 76 21 0 0 AA
Nov 2024 77 9 0 0 AA
Oct 2024 84 17 0 1 AA
Sep 2024 76 18 0 0 AA
Aug 2024 80 30 4 1 AA
Jul 2024 91 28 4 0 AA
Jun 2024 88 23 2 0 AA
May 2024 88 27 2 0 AA,YX
Apr 2024 86 16 1 0 AA,OH,YX
Mar 2024 86 11 0 0 AA,OH,YX
Feb 2024 75 7 1 0 AA
Jan 2024 77 23 2 0 AA,YX

AUS–PHL seasonal on-time pattern

Best: March (85.9%) · weakest: June (71.0%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 77.3%

Strongest calendar month

March

85.9% on-time · ~64 flights/mo

Busiest calendar month

October

~84 flights/mo avg

Weakest calendar month

June

71.0% on-time · ~77 flights/mo

Cancellation Rate

1.8%

38 of 2,132 flights

Diversion Rate

0.2%

5 of 2,132 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

AUS - Austin

Full on-time, delay-cause, and seasonal performance for Austin, TX.

AUS on-time profile

PHL - Philadelphia

Full on-time, delay-cause, and seasonal performance for Philadelphia, PA.

PHL on-time profile

Compare the two airports

See AUS and PHL side by side on delays, cancellations, and reliability.

Compare AUS vs PHL

Origin-hub reliability standing

Mid-pack among AUS departures

From AUS, this corridor sits with 45 other 75–85% on-time routes out of 55 tracked departures, not the hub's reliability leaders (3 at ≥85%) and not the softest ( 7 below 75%). Destination: Philadelphia · fleet on-time rank #4058 of 4927.

What the Data Says About AUS to PHL

The Austin to Philadelphia corridor (AUS to PHL) posts a 77.1% on-time rate on the lower edge of the average band, based on 4,314 tracked flights. Late flights run 132.7 minutes behind on average. 7 carriers cover the 1,430-mile route; over the last 24 months, 38 of 2,132 flights were cancelled (1.8%) and 0.2% diverted.

The monthly split is wide on this route: Feb 2024 posted the strongest performance at 91% on-time, while Jun 2025 came in at just 62% - a 29-point swing worth factoring into travel timing.

On the multi-year calendar, AUS–PHL peaks in March at 85.9% on-time while October carries the heaviest traffic (~84 flights per month) ; the softest month is June at 71.0%, a 14.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does AUS to PHL rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, AUS to PHL ranks #2765 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from AUS to PHL? ▼
Flights from Austin to Philadelphia have a 77.1% on-time rate based on 4,314 flights. The average delay is 132.7 minutes. The best recent month was Feb 2024 with 91% on-time.
What is the cancellation rate for AUS to PHL? ▼
Over the last 24 months, 1.8% of flights on this route were cancelled (38 of 2,132 flights) and 0.2% were diverted.
How far is the flight from AUS to PHL? ▼
The flight distance from Austin (AUS) to Philadelphia (PHL) is approximately 1,430 miles. This route is served by 7 carriers.
When is the best time to fly from AUS to PHL? ▼
The best recent month for on-time performance was Feb 2024 (91% on-time). The worst was Jun 2025 (62% on-time). Consider booking during months with historically better performance.

Airports on this route

AUS Airport

Austin
PHL Airport

Philadelphia
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using AUS–PHL data

AUS–PHL is mid-pack at 77.1% on-time; month and carrier mix move more than the corridor headline.

  • Compare AUS and PHL airport profiles: delay causes and top routes differ even on the same corridor. AUS airport
  • If your dates flex, March (85.9% on-time) beats June (71.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 77.1% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.