Route Reliability

Route reliability

Birmingham (BHM) to Atlanta (ATL): which airline is most on time?

On-time arrivals, cancellations and long delays for every airline that reported nonstop flights from Birmingham, AL (BHM) to Atlanta, GA (ATL), September 2025 to August 2026.

Historical performance Official DOT data through August 2026 · Not live flight status

Birmingham, ALAtlanta, GA

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Three-letter airport codes, nonstop U.S. domestic flights. One direction at a time.

Route at a glance · September 2025 to August 2026

BHM to ATL

Birmingham, AL to Atlanta, GA

On time
85.5%vs 75.6% U.S. average Better than average
Cancelled
1.7%vs 1.9% U.S. average About average
60+ min late
5.0%vs 8.1% U.S. average Better than average
Scheduled flights
3,371in 12 months1 airline
Only rated airline
Delta Air Lines85.5% on time · 3,371 flights

On time more often than the U.S. average, with a typical cancellation rate.

Compared with all U.S. flights, September 2025 to August 2026. “About average” means within 1.5 points for on time, 0.3 for cancelled and 1 for 60+ minutes late.

Airlines on this route

Ranked by on-time arrival

Airlines from BHM to ATL, September 2025 to August 2026. Rates are shares of all scheduled flights.
Airline On time Cancelled 60+ min late Avg delay when late Diverted Flights
1. Delta Air Lines 85.5% 1.7% 5.0% 83 min 0.1% 3,371

On time = arrived within 15 minutes of schedule. Avg delay when late = average arrival delay of flights 15+ minutes late. "Most reliable" needs at least 300 flights in 12 months. Tap a heading to sort.

What this means

How BHM to ATL compares.

  • Delta Air Lines was the only airline with enough flights on this route to rate (3,371 flights). 85.5% of them arrived within 15 minutes of schedule.
  • 1.7% of flights on this route were cancelled (about 1 in 59), about the same as the U.S. average of 1.9%.
  • 5.0% of flights, about 1 in 20, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 83 min.
  • Overall, 85.5% of flights on this route arrived on time, 9.9 points higher than the U.S. average of 75.6%.
  • Over the last 3 years, October was the most reliable month on this route (93.7% on time) and July the least reliable (76.3%).
  • Cancellations peaked in January, when 3.3% of flights were cancelled.
  • Flights scheduled to depart before 6 am were the most punctual (93.3% on time); flights scheduled to depart 5 pm to 6 pm were the least (76.1%).
  • In the other direction, Atlanta (ATL) to Birmingham (BHM), 81.7% of flights were on time and 1.7% were cancelled. Compare airlines ATL to BHM.

Best and worst months to fly BHM to ATL

Jan 83.6%
Feb 90.6%
Mar 88.3%
Apr 87.8%
May 84.1%
Jun 84.4%
Jul 76.3%
Aug 86.0%
Sep 91.4%
Oct 93.7%
Nov 91.2%
Dec 89.3%
Share of scheduled flights on time 12-month average 85.5%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
January 83.6% 691
February 90.6% 658
March 88.3% 797
April 87.8% 806
May 84.1% 838
June 84.4% 825
July 76.3% 851
August 86.0% 795
September 91.4% 740
October 93.7% 766
November 91.2% 707
December 89.3% 764

Month by month, last 12 months

Sep 95.0%
Oct 92.3%
Nov 87.8%
Dec 85.5%
Jan 82.4%
Feb 88.4%
Mar 85.0%
Apr 88.7%
May 80.1%
Jun 84.3%
Jul 75.7%
Aug 83.8%
Share of scheduled flights on time U.S. average 75.6%
All airlines combined, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Sep 2025 95.0% 260
Oct 2025 92.3% 285
Nov 2025 87.8% 262
Dec 2025 85.5% 275
Jan 2026 82.4% 245
Feb 2026 88.4% 232
Mar 2026 85.0% 286
Apr 2026 88.7% 300
May 2026 80.1% 317
Jun 2026 84.3% 305
Jul 2026 75.7% 313
Aug 2026 83.8% 291

Best and worst departure times

<6a 93.3%
6a 85.6%
7a 86.4%
8a 89.7%
9a 91.7%
10a 90.7%
11a 91.2%
12p 86.8%
1p 91.5%
2p 79.5%
3p 84.7%
4p 79.1%
5p 76.1%
6p 77.3%
7p 77.9%
Share of scheduled flights on time
By scheduled local departure hour at BHM, September 2025 to August 2026. Hours with no scheduled flights are omitted. Scale starts at zero.
Show as table
PeriodOn timeFlights
Departing before 6 am 93.3% 356
Departing 6 am to 7 am 85.6% 361
Departing 7 am to 8 am 86.4% 324
Departing 8 am to 9 am 89.7% 68
Departing 9 am to 10 am 91.7% 327
Departing 10 am to 11 am 90.7% 236
Departing 11 am to noon 91.2% 113
Departing noon to 1 pm 86.8% 212
Departing 1 pm to 2 pm 91.5% 164
Departing 2 pm to 3 pm 79.5% 254
Departing 3 pm to 4 pm 84.7% 98
Departing 4 pm to 5 pm 79.1% 239
Departing 5 pm to 6 pm 76.1% 268
Departing 6 pm to 7 pm 77.3% 211
Departing 7 pm to 8 pm 77.9% 140
Woman at an airport window watching a plane take off
Photo: Depositphotos (licensed stock, illustrative only). Credits

Sources & data dates

Source
U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
Period
September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
Data through
August 2026
Processed
2026-11-03
Scope
Nonstop scheduled flights from Birmingham, AL (BHM) to Atlanta, GA (ATL), one direction. Airlines that report to the DOT only.
Method
Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.

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