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Route · BHM → ATL · 2020–2025 BTS data

Birmingham to Atlanta

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BHM to ATL (Birmingham to Atlanta) ranks #518 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

90.7%
On-time
+11.7 pts
vs US avg
86 min
Delay when late
16,512
Flights
#518 of 4927
Corpus placement

Cancelled

1.2%

Best Month

Sep 2025 95%

Worst Month

Jul 2024 75%

Distance

134 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 275 31 9 0 DL
Nov 2025 262 25 7 0 DL
Oct 2025 285 22 0 0 DL
Sep 2025 260 13 0 0 DL
Aug 2025 254 29 3 2 DL
Jul 2025 285 39 1 0 DL
Jun 2025 265 49 9 0 DL
May 2025 260 36 0 0 DL
Apr 2025 251 33 4 0 DL
Mar 2025 255 25 2 1 DL
Feb 2025 205 19 0 0 DL
Jan 2025 222 27 10 0 DL
Dec 2024 258 32 0 0 9E,DL
Nov 2024 228 20 0 0 DL
Oct 2024 254 16 0 0 DL
Sep 2024 246 42 0 0 9E,DL
Aug 2024 250 29 1 0 DL,9E
Jul 2024 253 62 23 1 9E,DL
Jun 2024 255 23 0 0 9E,DL
May 2024 261 32 2 0 9E,DL
Apr 2024 255 27 0 0 9E,DL
Mar 2024 256 22 0 0 9E,DL
Feb 2024 221 16 0 0 9E,DL
Jan 2024 224 31 2 0 9E,DL

BHM–ATL seasonal on-time pattern

Best: October (94.7%) · weakest: July (85.9%)

84%86%88%90%92%94%96% JanFebMarAprMayJunJulAugSepOctNovDec 90.9%

Strongest calendar month

October

94.7% on-time · ~243 flights/mo

Busiest calendar month

March

~251 flights/mo avg

Weakest calendar month

July

85.9% on-time · ~237 flights/mo

Cancellation Rate

1.2%

73 of 6,040 flights

Diversion Rate

0.1%

4 of 6,040 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 profile

ATL - Atlanta

Full on-time, delay-cause, and seasonal performance for Atlanta, GA.

ATL on-time profile

Compare the two airports

See BHM and ATL side by side on delays, cancellations, and reliability.

Compare BHM vs ATL

Origin-hub reliability standing

Among BHM's stronger departures

BHM → ATL posts a 90.7% on-time rate, landing in the ≥85% band with 2 of 18 BTS-tracked routes leaving Birmingham. The same hub also shows 16 mid-band and 0 challenged departures · fleet-wide on-time rank #105 of 4927 (highest on-time = #1).

What the Data Says About BHM to ATL

Birmingham to Atlanta (BHM to ATL) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 90.7% on-time rate across 16,512 flights, with delays that do happen averaging 85.8 minutes. The corridor runs roughly 134 miles and is served by 3 carriers. Over the most recent 24 months, 73 of 6,040 flights were cancelled (1.2%) and 4 diverted (0.1%).

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 95% on-time, while Jul 2024 came in at just 75% - a 20-point swing worth factoring into travel timing.

On the multi-year calendar, BHM–ATL peaks in October at 94.7% on-time while March carries the heaviest traffic (~251 flights per month) ; the softest month is July at 85.9%, a 8.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BHM to ATL rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, BHM to ATL ranks #518 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 BHM to ATL? ▼
Flights from Birmingham to Atlanta have a 90.7% on-time rate based on 16,512 flights. The average delay is 85.8 minutes. The best recent month was Sep 2025 with 95% on-time.
What is the cancellation rate for BHM to ATL? ▼
Over the last 24 months, 1.2% of flights on this route were cancelled (73 of 6,040 flights) and 0.1% were diverted.
How far is the flight from BHM to ATL? ▼
The flight distance from Birmingham (BHM) to Atlanta (ATL) is approximately 134 miles. This route is served by 3 carriers.
When is the best time to fly from BHM to ATL? ▼
The best recent month for on-time performance was Sep 2025 (95% on-time). The worst was Jul 2024 (75% on-time). Consider booking during months with historically better performance.

Airports on this route

BHM Airport

Birmingham
ATL Airport

Atlanta
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–ATL data

BHM–ATL runs 11.7 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare BHM and ATL airport profiles: delay causes and top routes differ even on the same corridor. BHM airport
  • If your dates flex, October (94.7% on-time) beats July (85.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 90.7% 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.