Birmingham-Shuttlesworth International in September 2023

83.7%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 September 2023, reporting carriers scheduled 1,421 domestic departures from Birmingham-Shuttlesworth International (BHM). 83.7% left less than 15 minutes late and 83.4% reached their destination on time; 0.8% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.1% arrived on time, so BHM departures were 3.2 points above the national departure figure.

Flights arriving at BHM that month were on time 80.1% of the time (1,423 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 43%, late-arriving aircraft 42% and national aviation system 13%.

On time 83.4%
Arrived 15+ minutes late 15.6%
Cancelled 0.8%
Diverted 0.3%

Every scheduled departure from BHM in September 2023, judged by arrival at the destination.

September 2023 against a year earlier, the airport's year and the nation

Measure	Sep 2023	Year earlier	BHM, 12 months to Jul 2026	All reported flights, Sep 2023
Departed on time	83.7%	—	79.8%	80.5%
Arrived on time	83.4%	—	80.3%	80.1%
Cancelled	0.8%	—	1.6%	1.2%
Average departure delay (late minutes only)	13.3 min	—	16.3 min	14.1 min
Scheduled departures a day	47	—	46	18,978
Scheduled departures	1,421	—	16,924	569,338

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	314	22%	78.7%	7.5 min	0.0%
OH PSA Airlines	277	19%	85.2%	6.2 min	1.4%
DL Delta Air Lines	230	16%	96.1%	-11.1 min	0.0%
OO SkyWest Airlines	193	14%	73.6%	13.5 min	0.0%
MQ Envoy Air	187	13%	82.9%	1.2 min	0.0%
9E Endeavor Air	106	7%	83.0%	-4.7 min	6.6%
YX Republic Airline	54	4%	92.6%	-3.0 min	0.0%
AA American Airlines	48	3%	83.3%	27.4 min	0.0%
UA United Airlines	12	1%	50.0%	13.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BHM–ATL	Birmingham to Atlanta	234	96.2%	-10.9 min	0.0%
BHM–DFW	Birmingham to Dallas/Fort Worth	188	83.0%	6.1 min	0.0%
BHM–CLT	Birmingham to Charlotte	165	84.8%	5.7 min	1.2%
BHM–LGA	Birmingham to New York	100	80.0%	-1.5 min	7.0%
BHM–DEN	Birmingham to Denver	88	73.9%	7.4 min	0.0%
BHM–DCA	Birmingham to Washington	84	89.3%	-0.5 min	2.4%
BHM–ORD	Birmingham to Chicago	73	67.1%	16.3 min	0.0%
BHM–IAH	Birmingham to Houston	66	69.7%	13.6 min	0.0%
BHM–DAL	Birmingham to Dallas	63	73.0%	14.6 min	0.0%
BHM–HOU	Birmingham to Houston	56	80.4%	8.4 min	0.0%
BHM–MDW	Birmingham to Chicago	55	80.0%	3.9 min	0.0%
BHM–PHL	Birmingham to Philadelphia	54	88.9%	11.4 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), September 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2023	Minutes
Air carrier	43.2%	36.4%	7,241
Late-arriving aircraft	41.7%	38.3%	6,987
National Aviation System	12.7%	19.9%	2,122
Extreme weather	2.5%	5.1%	412
Security	0.0%	0.2%	0

16,762 delay minutes on 221 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 September 2023?

83.7% of 1,421 scheduled domestic departures left less than 15 minutes late, and 83.4% reached their destination on time. The national figures that month were 80.5% and 80.1%.

How does that compare with a year earlier?

September 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2023; 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.