Airport reliability
Birmingham (BHM) on-time performance
How reliably flights leave Birmingham, AL (BHM) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
Birmingham, AL16,948 departures in 12 months
- Departures on time
- 80.1% U.S. average 75.6%
- Cancelled
- 1.7% U.S. average 1.9%
- 60+ minutes late
- 6.8% U.S. average 8.1%
- Scheduled departures
- 16,948 12 months
What this means
BHM departures beat the U.S. average.
- 80.1% of the 16,948 scheduled departures from Birmingham (BHM) arrived at their destination on time, 4.5 points higher than the U.S. average of 75.6%.
- 1.7% of departures were cancelled (U.S. average 1.9%), and 6.8% arrived an hour or more late.
- Flights arriving at BHM were on time 75.3% of the time.
- Among airlines with at least 300 departures, Delta Air Lines was the most punctual from BHM (85.9%) and PSA Airlines the least (74.8%).
- Over the last 3 years, October was the most reliable month for departures from BHM (86.4% on time) and July the least reliable (71.2%).
- Cancellations peaked in January, when 4.4% of flights were cancelled.
- Flights scheduled to depart before 6 am were the most punctual (92.7% on time); flights scheduled to depart 6 pm to 7 pm were the least (62.5%).
Airlines at BHM
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| Delta Air Lines | 85.9% | 1.7% | 4.9% | 83 min | 3,516 |
| American Airlines | 84.4% | 3.1% | 4.4% | 81 min | 519 |
| Envoy AirSold as American Eagle | 80.9% | 1.2% | 6.4% | 70 min | 2,228 |
| SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska | 80.7% | 1.0% | 8.3% | 103 min | 1,471 |
| Republic AirwaysSold as American Eagle, Delta Connection, United Express | 80.5% | 1.5% | 5.8% | 69 min | 344 |
| Southwest Airlines | 79.2% | 0.6% | 5.8% | 57 min | 5,070 |
| PSA AirlinesSold as American Eagle | 74.8% | 4.0% | 10.0% | 117 min | 3,647 |
| United Airlines | 71.5% | 0.8% | 12.2% | 79 min | 123 |
| Spirit Airlines | Insufficient sample | 30 | |||
Tap a heading to sort.
On-time rate by departure hour
Share of scheduled flights on time BHM average 80.1%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | 92.7% | 1,512 |
| Departing 6 am to 7 am | 86.9% | 2,528 |
| Departing 7 am to 8 am | 88.8% | 1,180 |
| Departing 8 am to 9 am | 90.5% | 726 |
| Departing 9 am to 10 am | 86.7% | 795 |
| Departing 10 am to 11 am | 82.4% | 1,571 |
| Departing 11 am to noon | 81.4% | 819 |
| Departing noon to 1 pm | 81.5% | 1,059 |
| Departing 1 pm to 2 pm | 85.3% | 618 |
| Departing 2 pm to 3 pm | 74.1% | 956 |
| Departing 3 pm to 4 pm | 75.9% | 1,167 |
| Departing 4 pm to 5 pm | 69.3% | 931 |
| Departing 5 pm to 6 pm | 64.1% | 1,672 |
| Departing 6 pm to 7 pm | 62.5% | 874 |
| Departing 7 pm to 8 pm | 69.8% | 504 |
| Departing 8 pm to 9 pm | Insufficient sample | 12 |
| Departing 9 pm to 10 pm | Insufficient sample | 24 |
Best and worst months at BHM
Share of scheduled flights on time 12-month average 80.1%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 78.4% | 3,744 |
| February | 83.6% | 3,492 |
| March | 80.3% | 4,077 |
| April | 81.9% | 4,343 |
| May | 74.7% | 4,557 |
| June | 74.8% | 4,446 |
| July | 71.2% | 4,562 |
| August | 79.2% | 4,406 |
| September | 84.6% | 4,225 |
| October | 86.4% | 4,682 |
| November | 86.0% | 4,412 |
| December | 82.7% | 4,253 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 87.8% | 1,375 |
| Oct 2025 | 83.9% | 1,540 |
| Nov 2025 | 81.9% | 1,416 |
| Dec 2025 | 80.3% | 1,355 |
| Jan 2026 | 81.6% | 1,243 |
| Feb 2026 | 82.9% | 1,149 |
| Mar 2026 | 76.1% | 1,383 |
| Apr 2026 | 83.7% | 1,495 |
| May 2026 | 79.6% | 1,550 |
| Jun 2026 | 74.4% | 1,441 |
| Jul 2026 | 72.4% | 1,501 |
| Aug 2026 | 77.7% | 1,500 |
Busiest routes from BHM
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Atlanta (ATL) | 85.5% | 1.7% | 1 | 3,371 |
| Dallas/Fort Worth (DFW) | 77.6% | 2.8% | 4 | 2,196 |
| Charlotte (CLT) | 81.6% | 1.8% | 4 | 1,759 |
| Denver (DEN) | 82.9% | 0.2% | 3 | 1,236 |
| Chicago (ORD) | 74.8% | 1.7% | 4 | 1,113 |
| Washington (DCA) | 70.5% | 5.6% | 2 | 1,040 |
| Dallas (DAL) | 78.8% | 0.9% | 1 | 985 |
| Orlando (MCO) | 78.6% | 0.5% | 1 | 859 |
| Miami (MIA) | 84.0% | 0.6% | 3 | 618 |
| Philadelphia (PHL) | 77.9% | 4.8% | 2 | 565 |
| Nashville (BNA) | 73.8% | 0.9% | 1 | 542 |
| Houston (HOU) | 83.6% | 0.5% | 1 | 444 |
| Chicago (MDW) | 84.5% | 0.7% | 1 | 440 |
| Tampa (TPA) | 74.3% | 0.5% | 1 | 421 |
| Las Vegas (LAS) | 86.4% | 0.0% | 1 | 359 |
| Detroit (DTW) | 79.1% | 1.5% | 3 | 340 |
| Baltimore (BWI) | 79.5% | 1.2% | 1 | 336 |
| Phoenix (PHX) | 78.0% | 0.0% | 1 | 168 |
| Houston (IAH) | 78.0% | 0.0% | 1 | 109 |
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
- Scheduled nonstop domestic departures from Birmingham, AL (BHM) by airlines that report to the DOT.
- 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.