Route · BWI → BHM · 2020–2025 BTS data
Baltimore to Birmingham
The BWI–BHM corridor (Baltimore, MD → Birmingham, AL) runs behind the national average, served by 1 carrier across roughly 682 miles.
Data updated 2026-06-13
- 77.6%
- On-time
- -1.4 pts
- vs US avg
- 60 min
- Delay when late
- 784
- Flights
Cancelled
2.9%
Best Month
N/A
Worst Month
N/A
Distance
682 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 5 | 0 | 0 | WN |
| Nov 2025 | 31 | 2 | 0 | 0 | WN |
| Jul 2025 | 35 | 8 | 2 | 0 | WN |
| Jun 2025 | 34 | 9 | 0 | 1 | WN |
| Dec 2024 | 30 | 5 | 0 | 0 | WN |
| Jul 2024 | 31 | 20 | 0 | 0 | WN |
| Dec 2023 | 31 | 7 | 0 | 0 | WN |
| Nov 2023 | 30 | 3 | 0 | 0 | WN |
| Oct 2023 | 31 | 11 | 0 | 0 | WN |
| Sep 2023 | 30 | 6 | 0 | 0 | WN |
| Aug 2023 | 31 | 4 | 0 | 0 | WN |
| Jul 2023 | 31 | 14 | 0 | 0 | WN |
| Jun 2023 | 30 | 12 | 0 | 0 | WN |
| May 2023 | 31 | 2 | 0 | 0 | WN |
| Oct 2022 | 31 | 12 | 0 | 0 | WN |
| Sep 2022 | 30 | 13 | 0 | 0 | WN |
| Aug 2022 | 31 | 7 | 0 | 0 | WN |
| Jul 2022 | 31 | 7 | 0 | 0 | WN |
| Jun 2022 | 30 | 2 | 0 | 0 | WN |
| May 2022 | 31 | 2 | 0 | 0 | WN |
| Jan 2022 | 31 | 10 | 0 | 0 | WN |
| Dec 2021 | 31 | 11 | 0 | 0 | WN |
| Apr 2020 | 41 | 0 | 18 | 0 | WN |
| Mar 2020 | 30 | 1 | 2 | 0 | WN |
Cancellation Rate
2.9%
22 of 754 flights
Diversion Rate
0.1%
1 of 754 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BWI - Baltimore
Full on-time, delay-cause, and seasonal performance for Baltimore, MD.
Origin airport →BHM - Birmingham
Full on-time, delay-cause, and seasonal performance for Birmingham, AL.
Destination airport →Compare the two airports
See BWI 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 BWI–BHM.
Routes with a similar on-time rate
What the Data Says About BWI to BHM
The Baltimore to Birmingham corridor (BWI to BHM) posts a 77.6% on-time rate on the lower edge of the average band, based on 784 tracked flights. Late flights run 60.2 minutes behind on average. 1 carrier cover the 682-mile route; over the last 24 months, 22 of 754 flights were cancelled (2.9%) and 0.1% diverted.
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
Frequently Asked Questions
How often are flights delayed from BWI to BHM? ▼
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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.