Birmingham-Shuttlesworth International in April 2026

83.5%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.

In April 2026, reporting carriers scheduled 1,495 domestic departures from Birmingham-Shuttlesworth International (BHM). 83.5% left less than 15 minutes late and 83.7% reached their destination on time; 0.9% were cancelled.

Nationally that month, 79.1% of flights departed on time and 78.9% arrived on time, so BHM departures were 4.4 points above the national departure figure.

A year earlier, in April 2025, the airport had 1,419 departures with 79.1% leaving on time: a change of +4.4 points, with flights up 5%.

Flights arriving at BHM that month were on time 78.9% of the time (1,496 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 46%, air carrier 36% and national aviation system 13%.

On time 83.7%
Arrived 15+ minutes late 15.3%
Cancelled 0.9%
Diverted 0.1%

Every scheduled departure from BHM in April 2026, judged by arrival at the destination.

April 2026 against a year earlier, the airport's year and the nation

Measure	Apr 2026	Apr 2025	BHM, 12 months to Jul 2026	All reported flights, Apr 2026
Departed on time	83.5%	79.1%	79.8%	79.1%
Arrived on time	83.7%	79.0%	80.3%	78.9%
Cancelled	0.9%	1.1%	1.6%	0.9%
Average departure delay (late minutes only)	12.9 min	18.4 min	16.3 min	14.5 min
Scheduled departures a day	50	47	46	19,931
Scheduled departures	1,495	1,419	16,924	597,919

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	477	32%	82.6%	0.5 min	0.4%
OH PSA Airlines	373	25%	83.4%	6.3 min	0.5%
DL Delta Air Lines	318	21%	89.0%	-8.9 min	2.2%
OO SkyWest Airlines	175	12%	78.9%	12.2 min	0.6%
MQ Envoy Air	150	10%	83.3%	-0.3 min	0.7%
YX Republic Airline	2	0%	50.0%	21.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BHM–ATL	Birmingham to Atlanta	300	88.7%	-8.7 min	2.3%
BHM–DFW	Birmingham to Dallas/Fort Worth	188	81.9%	2.9 min	0.0%
BHM–CLT	Birmingham to Charlotte	132	89.4%	1.7 min	0.0%
BHM–DEN	Birmingham to Denver	116	82.8%	1.2 min	0.0%
BHM–ORD	Birmingham to Chicago	91	72.5%	8.7 min	2.2%
BHM–MCO	Birmingham to Orlando	88	83.0%	2.4 min	1.1%
BHM–DAL	Birmingham to Dallas	86	81.4%	0.6 min	1.2%
BHM–DCA	Birmingham to Washington	85	75.3%	27.1 min	2.4%
BHM–BNA	Birmingham to Nashville	60	85.0%	-3.8 min	0.0%
BHM–DTW	Birmingham to Detroit	56	82.1%	21.5 min	0.0%
BHM–PHL	Birmingham to Philadelphia	54	85.2%	-7.6 min	0.0%
BHM–HOU	Birmingham to Houston	41	87.8%	-4.3 min	0.0%

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), April 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2026	Minutes
Air carrier	36.2%	33.5%	6,361
Late-arriving aircraft	46.3%	40.4%	8,142
National Aviation System	12.8%	21.0%	2,249
Extreme weather	4.8%	5.0%	841
Security	0.0%	0.1%	0

17,593 delay minutes on 228 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left BHM on time in April 2026?

83.5% of 1,495 scheduled domestic departures left less than 15 minutes late, and 83.7% reached their destination on time. The national figures that month were 79.1% and 78.9%.

How does that compare with a year earlier?

In April 2025, 79.1% of 1,419 departures left on time and 1.1% were cancelled, against 83.5% and 0.9% in April 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 2026; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for BHM · methodology · corrections.