Bradley International in September 2024

86.9%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 2024, reporting carriers scheduled 1,849 domestic departures from Bradley International (BDL). 86.9% left less than 15 minutes late and 87.3% reached their destination on time; 0.4% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so BDL departures were 2.5 points above the national departure figure.

A year earlier, in September 2023, the airport had 1,732 departures with 81.9% leaving on time: a change of +5.0 points, with flights up 7%.

Flights arriving at BDL that month were on time 83.1% of the time (1,850 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 40%, late-arriving aircraft 39% and national aviation system 16%.

On time 87.3%
Arrived 15+ minutes late 12.1%
Cancelled 0.4%
Diverted 0.2%

Every scheduled departure from BDL in September 2024, judged by arrival at the destination.

September 2024 against a year earlier, the airport's year and the nation

Measure	Sep 2024	Sep 2023	BDL, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	86.9%	81.9%	79.0%	84.4%
Arrived on time	87.3%	79.3%	76.7%	83.9%
Cancelled	0.4%	1.0%	2.4%	0.6%
Average departure delay (late minutes only)	9.5 min	14.4 min	16.3 min	10.6 min
Scheduled departures a day	62	58	61	19,421
Scheduled departures	1,849	1,732	22,344	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	371	20%	88.9%	-4.0 min	0.0%
WN Southwest Airlines	369	20%	90.8%	-5.8 min	0.3%
AA American Airlines	363	20%	83.5%	3.4 min	0.3%
UA United Airlines	216	12%	89.8%	-7.3 min	0.9%
B6 JetBlue Airways	168	9%	84.5%	-2.1 min	0.6%
F9 Frontier Airlines	95	5%	84.2%	-6.0 min	1.1%
OH PSA Airlines	77	4%	80.5%	15.4 min	0.0%
NK Spirit Airlines	56	3%	89.3%	-0.7 min	0.0%
YX Republic Airline	51	3%	96.1%	-11.4 min	0.0%
MQ Envoy Air	43	2%	79.1%	23.2 min	0.0%
9E Endeavor Air	26	1%	88.5%	-2.0 min	0.0%
OO SkyWest Airlines	14	1%	85.7%	0.8 min	7.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BDL–ATL	Hartford to Atlanta	200	83.0%	2.8 min	0.0%
BDL–ORD	Hartford to Chicago	184	82.6%	6.7 min	1.6%
BDL–DCA	Hartford to Washington	171	86.0%	4.0 min	0.0%
BDL–CLT	Hartford to Charlotte	156	78.2%	5.7 min	0.6%
BDL–BWI	Hartford to Baltimore	145	93.8%	-7.9 min	0.0%
BDL–DTW	Hartford to Detroit	109	92.7%	-9.4 min	0.0%
BDL–MCO	Hartford to Orlando	106	95.3%	-9.1 min	0.0%
BDL–DEN	Hartford to Denver	90	86.7%	-6.9 min	0.0%
BDL–MDW	Hartford to Chicago	85	94.1%	-7.5 min	0.0%
BDL–MSP	Hartford to Minneapolis	81	93.8%	-9.4 min	0.0%
BDL–TPA	Hartford to Tampa	77	85.7%	-6.5 min	3.9%
BDL–IAD	Hartford to Washington	63	95.2%	-6.0 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), September 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	40.2%	38.6%	6,089
Late-arriving aircraft	38.8%	38.4%	5,868
National Aviation System	15.8%	18.2%	2,397
Extreme weather	5.2%	4.8%	789
Security	0.0%	0.1%	0

15,143 delay minutes on 224 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 BDL on time in September 2024?

86.9% of 1,849 scheduled domestic departures left less than 15 minutes late, and 87.3% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 81.9% of 1,732 departures left on time and 1.0% were cancelled, against 86.9% and 0.4% in September 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for BDL · methodology · corrections.