On-Time Report

Airports › Alabama

Airport · 12 months to July 2026

Birmingham-Shuttlesworth International: delays and on-time record

Birmingham, Alabama

79.8%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report. Data through July 2026; this is a monthly history, not live airport status.

Birmingham-Shuttlesworth International (BHM) in Birmingham, Alabama had 16,924 scheduled domestic departures by reporting carriers in the 12 months to July 2026, about 46 a day, on 31 routes.

79.8% of those flights left the gate less than 15 minutes late, 3.7 points above the national departure figure of 76.1%. Flights arriving at BHM were on time 76.0% of the time, level with the national arrival figure of 76.0%.

1.6% of scheduled departures were cancelled (national: 1.8%), and the average departure delay, counting early and on-time departures as zero, was 16.3 min.

Southwest Airlines is the largest reporting carrier at BHM with 30% of departures. Among carriers with at least 169 departures, Delta Air Lines had the highest on-time arrival share for its BHM departures (86.0%) and PSA Airlines the lowest (75.6%).

On-time departures are about level with the previous 12 months (80.1%).

Of the delay minutes that carriers assigned to a BTS cause category for flights leaving BHM, late-arriving aircraft 44%, air carrier 31% and national aviation system 16%.

79.8%departures on timenational 76.1%
76.0%arrivals on timenational 76.0%
1.6%departures cancellednational 1.8%
46scheduled departures a day16,924 in 12 months
What happened to every scheduled departure from BHM, judged by arrival at the destination, August 2025 to July 2026.

As origin and as destination, against the nation

MeasureDepartures from BHMArrivals at BHMAll reported flightsBHM departures, previous 12 months
Departed on time (less than 15 min late)79.8%74.6%76.1%80.1%
Arrived on time80.3%76.0%76.0%79.5%
Cancelled1.6%1.7%1.8%1.8%
Diverted0.3%0.1%0.3%0.3%
Average departure delay (late minutes only)16.3 min16.5 min17.4 min16.7 min
Arrival delay minutes per 100 flights1,5521,5651,6841,628
Scheduled flights16,92416,9247,043,85817,166

12 months to July 2026. The first column follows flights that left BHM; the second follows flights that landed there. Year on year, on-time departures moved −0.3 pts.

Airlines at BHM

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
WN Southwest Airlines5,05230%79.3%4.7 min0.6%
OH PSA Airlines3,66322%75.6%14.3 min3.4%
DL Delta Air Lines3,44920%86.0%-2.5 min1.8%
MQ Envoy Air2,35914%80.6%4.0 min1.2%
OO SkyWest Airlines1,3718%80.4%8.8 min0.9%
AA American Airlines5093%83.9%-0.7 min3.1%
YX Republic Airline3532%85.0%-0.2 min1.1%
UA United Airlines921%77.2%8.8 min0.0%
NK Spirit Airlines760%65.8%14.8 min0.0%

Departures from BHM by reporting carrier, ordered by flights; on time means the flight reached its destination less than 15 minutes late. Green is at or above the airport's overall share of 80.3%. Carriers fly different routes at different hours, so the rows are not a like-for-like test.

Busiest routes from BHM

RouteCitiesFlightsOn timeAvg arrival delayCancelled
BHM–ATLBirmingham to Atlanta3,33485.8%-2.3 min1.8%
BHM–DFWBirmingham to Dallas/Fort Worth2,19976.4%12.3 min2.8%
BHM–CLTBirmingham to Charlotte1,75882.4%3.9 min1.6%
BHM–DENBirmingham to Denver1,21882.8%1.9 min0.2%
BHM–ORDBirmingham to Chicago1,11776.5%9.7 min1.7%
BHM–DCABirmingham to Washington1,04372.2%19.3 min4.7%
BHM–DALBirmingham to Dallas98178.4%4.0 min0.9%
BHM–MCOBirmingham to Orlando84878.5%7.8 min0.5%
BHM–MIABirmingham to Miami65184.9%0.6 min0.6%
BHM–PHLBirmingham to Philadelphia56179.3%7.2 min3.2%
BHM–BNABirmingham to Nashville51574.0%8.4 min1.0%
BHM–MDWBirmingham to Chicago45784.5%0.9 min1.1%
BHM–HOUBirmingham to Houston44784.1%-0.4 min0.2%
BHM–TPABirmingham to Tampa42574.8%7.0 min0.5%
BHM–LASBirmingham to Las Vegas35985.8%-1.7 min0.0%
BHM–BWIBirmingham to Baltimore33780.4%5.8 min1.2%
BHM–DTWBirmingham to Detroit31276.9%19.6 min1.6%
BHM–PHXBirmingham to Phoenix18577.8%4.8 min0.0%

The 18 busiest of 31 routes with reported flights. Routes with at least 10 flights a month have their own page.

Month by month

100%columns start at 40%
Share of scheduled departures from BHM that left less than 15 minutes late, Aug 2023 to Jul 2026. Green columns are at or above the national figure for that month (the dark tick), amber below it, red more than eight points below.
Aug 2023Sep 2023Oct 2023Nov 2023Dec 2023Jan 2024Feb 2024Mar 2024Apr 2024May 2024Jun 2024Jul 2024Aug 2024Sep 2024Oct 2024Nov 2024Dec 2024Jan 2025Feb 2025Mar 2025Apr 2025May 2025Jun 2025Jul 2025Aug 2025Sep 2025Oct 2025Nov 2025Dec 2025Jan 2026Feb 2026Mar 2026Apr 2026May 2026Jun 2026Jul 2026

By scheduled departure hour

On-time share:under 62%6270768288% and over
Share of departures that left less than 15 minutes late, by scheduled hour (local time at BHM), 12 months to July 2026.

Among hours with at least 338 departures, 5 am to 6 am had the highest on-time share (92.6% of 1,487 flights) and 6 pm to 7 pm the lowest (63.1% of 884).

Delay causes

BTS cause categoryShare of delay minutesNationalMinutes
Air carrier31.4%33.3%78,115
Late-arriving aircraft43.9%39.7%109,293
National Aviation System16.1%20.7%39,993
Extreme weather8.6%6.1%21,363
Security0.0%0.1%96
248,860 delay minutes on 3,007 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Cancellations by reported reason (278 in the period): air carrier 24%, weather 63%, national aviation system 13%, security 0%.

Checkpoint volumes

TSA publishes daily checkpoint passenger counts for the country as a whole, not for BHM on its own. The national series through September 2026 is on the checkpoint volumes page.

Questions and answers

How often do flights leave BHM on time?

79.8% of the 16,924 scheduled domestic departures in the 12 months to July 2026 left less than 15 minutes late; the national figure was 76.1%. 1.6% were cancelled.

How often do flights arrive at BHM on time?

76.0% of 16,924 scheduled arrivals were on time by the BTS definition, against 76.0% nationally.

Which airline has the highest on-time share at BHM?

Counting departures from BHM and whether they reached their destination on time, Delta Air Lines had the highest share (86.0% of 3,449 flights), then Republic Airline (85.0%) and American Airlines (83.9%). Carriers fly different routes at different hours, so the figures are not a like-for-like test.

What causes delays at BHM?

For departures from BHM that reached their destination 15 or more minutes late, carriers attributed the delay minutes as follows: late-arriving aircraft 44%, air carrier 31%, national aviation system 16%, extreme weather 9%, security 0%.

What time of day has the highest on-time share at BHM?

Departures scheduled from 5 am to 6 am local time left on time 92.6% of the time, the highest of any hour with enough flights to compare; 6 pm to 7 pm was lowest at 63.1%.

Is it getting better?

On-time departures for the 12 months to July 2026 were 79.8%, about level with the previous 12 months (80.1%). The monthly chart shows each of the last 36 months, and each month has its own page.

Does this page show today's delays at BHM?

No. BTS publishes on-time records about two months after the month ends, so this page is a monthly history through July 2026. For live conditions use the FAA airport status service or your airline.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026; airport name from the BTS airport lookup table. US government works in the public domain. Domestic scheduled flights by reporting carriers only: international flights, charters and smaller carriers are not in the source. Totals and averages only; no individual flight or aircraft is identified. See the methodology; report processing errors through corrections.