Route · BHM → BWI · 2020–2025 BTS data
Birmingham to Baltimore
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BHM to BWI (Birmingham to Baltimore) ranks #4676 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 81.9%
- On-time
- +2.9 pts
- vs US avg
- 60 min
- Delay when late
- 775
- Flights
- #4676 of 4927
- Corpus placement
Cancelled
2.4%
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 | 32 | 9 | 1 | 0 | WN |
| Nov 2025 | 31 | 9 | 0 | 0 | WN |
| Jul 2025 | 35 | 10 | 3 | 0 | WN |
| Jun 2025 | 34 | 10 | 1 | 0 | WN |
| Dec 2024 | 30 | 8 | 0 | 0 | WN |
| Jul 2024 | 31 | 6 | 0 | 1 | WN |
| Dec 2023 | 31 | 4 | 0 | 0 | WN |
| Nov 2023 | 30 | 4 | 0 | 0 | WN |
| Oct 2023 | 31 | 2 | 0 | 0 | WN |
| Sep 2023 | 30 | 3 | 0 | 0 | WN |
| Aug 2023 | 31 | 4 | 0 | 0 | WN |
| Jul 2023 | 31 | 9 | 0 | 0 | WN |
| Jun 2023 | 30 | 9 | 0 | 0 | WN |
| May 2023 | 31 | 7 | 0 | 0 | WN |
| Oct 2022 | 31 | 9 | 0 | 0 | WN |
| Sep 2022 | 30 | 7 | 1 | 0 | WN |
| Aug 2022 | 31 | 6 | 0 | 0 | WN |
| Jul 2022 | 31 | 4 | 0 | 0 | WN |
| Jun 2022 | 30 | 3 | 1 | 0 | WN |
| May 2022 | 31 | 10 | 1 | 0 | WN |
| Jan 2022 | 31 | 3 | 4 | 0 | WN |
| Dec 2021 | 31 | 3 | 0 | 0 | WN |
| Apr 2020 | 30 | 0 | 4 | 0 | WN |
| Mar 2020 | 30 | 0 | 2 | 0 | WN |
BHM–BWI seasonal on-time pattern
Best: March (100.0%) · weakest: May (72.6%)
Strongest calendar month
March
100.0% on-time · ~30 flights/mo
Busiest calendar month
July
~32 flights/mo avg
Weakest calendar month
May
72.6% on-time · ~31 flights/mo
Cancellation Rate
2.4%
18 of 744 flights
Diversion Rate
0.1%
1 of 744 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BHM - Birmingham
Full on-time, delay-cause, and seasonal performance for Birmingham, AL.
BHM on-time profileBWI - Baltimore
Full on-time, delay-cause, and seasonal performance for Baltimore, MD.
BWI on-time profileCompare the two airports
See BHM and BWI side by side on delays, cancellations, and reliability.
Compare BHM vs BWIOrigin-hub reliability standing
Mid-pack among BHM departures
From BHM, this corridor sits with 16 other 75–85% on-time routes out of 18 tracked departures, not the hub's reliability leaders (2 at ≥85%) and not the softest ( 0 below 75%). Destination: Baltimore · fleet on-time rank #2382 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to BHM–BWI.
Routes with a similar on-time rate
What the Data Says About BHM to BWI
775 tracked flights put the BHM to BWI pairing (Birmingham to Baltimore) at a 81.9% on-time rate, squarely in line with the wider network. Delays that do occur run 60.2 minutes on average. Across the 682-mile route and its 1 carrier, the trailing 24 months show 2.4% cancelled and 0.1% diverted (744 flights sampled).
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.
On the multi-year calendar, BHM–BWI peaks in March at 100.0% on-time while July carries the heaviest traffic (~32 flights per month) ; the softest month is May at 72.6%, a 27.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does BHM to BWI rank among US routes by traffic? ▼
How often are flights delayed from BHM to BWI? ▼
What is the cancellation rate for BHM to BWI? ▼
How far is the flight from BHM to BWI? ▼
Airports on this route
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 BHM–BWI data
BHM–BWI is mid-pack at 81.9% on-time; month and carrier mix move more than the corridor headline.
- Compare BHM and BWI airport profiles: delay causes and top routes differ even on the same corridor. BHM airport
- If your dates flex, March (100.0% on-time) beats May (72.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 81.9% 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.
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.