Route · PHL → BHM · 2020–2025 BTS data
Philadelphia to Birmingham
The PHL–BHM corridor (Philadelphia, PA → Birmingham, AL) runs behind the national average, served by 5 carriers across roughly 772 miles.
Data updated 2026-06-13
- 77.7%
- On-time
- -1.3 pts
- vs US avg
- 80 min
- Delay when late
- 2,314
- Flights
Cancelled
1.9%
Best Month
Sep 2023 93%
Worst Month
May 2025 64%
Distance
772 mi
Carriers
5
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 30 | 11 | 0 | 0 | OH |
| Nov 2025 | 30 | 5 | 0 | 0 | OH,YX |
| Oct 2025 | 61 | 9 | 0 | 0 | OH,YX |
| Sep 2025 | 52 | 7 | 0 | 0 | OH |
| Aug 2025 | 59 | 17 | 1 | 0 | OH |
| Jul 2025 | 49 | 12 | 4 | 2 | AA,OH |
| Jun 2025 | 48 | 17 | 3 | 0 | AA,OH |
| May 2025 | 58 | 21 | 6 | 0 | OH |
| Apr 2025 | 53 | 8 | 0 | 1 | OH |
| Mar 2025 | 31 | 4 | 0 | 0 | OH |
| Dec 2024 | 35 | 7 | 0 | 0 | OH |
| Nov 2024 | 41 | 3 | 0 | 0 | OH |
| Oct 2024 | 60 | 6 | 0 | 0 | OH |
| Sep 2024 | 57 | 15 | 0 | 0 | OH |
| Aug 2024 | 61 | 16 | 3 | 0 | OH |
| Jul 2024 | 53 | 16 | 1 | 1 | OH |
| Jun 2024 | 53 | 6 | 1 | 0 | OH |
| May 2024 | 62 | 18 | 0 | 1 | OH |
| Apr 2024 | 57 | 10 | 0 | 0 | OH |
| Mar 2024 | 31 | 6 | 0 | 0 | OH |
| Jan 2024 | 31 | 6 | 1 | 0 | OH |
| Oct 2023 | 34 | 1 | 0 | 0 | OH |
| Sep 2023 | 54 | 4 | 2 | 0 | OH |
| Aug 2023 | 32 | 6 | 0 | 0 | OH,YX |
Cancellation Rate
1.9%
22 of 1,132 flights
Diversion Rate
0.4%
5 of 1,132 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PHL - Philadelphia
Full on-time, delay-cause, and seasonal performance for Philadelphia, PA.
Origin airport →BHM - Birmingham
Full on-time, delay-cause, and seasonal performance for Birmingham, AL.
Destination airport →Compare the two airports
See PHL and BHM side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to PHL–BHM.
Routes with a similar on-time rate
What the Data Says About PHL to BHM
The Philadelphia to Birmingham corridor (PHL to BHM) posts a 77.7% on-time rate on the lower edge of the average band, based on 2,314 tracked flights. Late flights run 79.6 minutes behind on average. 5 carriers cover the 772-mile route; over the last 24 months, 22 of 1,132 flights were cancelled (1.9%) and 0.4% diverted.
The monthly split is wide on this route: Sep 2023 posted the strongest performance at 93% on-time, while May 2025 came in at just 64% - a 29-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.
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.