Bradley International in May 2025

81.1%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 May 2025, reporting carriers scheduled 2,142 domestic departures from Bradley International (BDL). 81.1% left less than 15 minutes late and 76.5% reached their destination on time; 0.6% were cancelled.

Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so BDL departures were 4.4 points above the national departure figure.

A year earlier, in May 2024, the airport had 1,911 departures with 76.2% leaving on time: a change of +4.9 points, with flights up 12%.

Flights arriving at BDL that month were on time 75.1% of the time (2,140 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, national aviation system 31% and air carrier 25%.

On time 76.5%
Arrived 15+ minutes late 22.2%
Cancelled 0.6%
Diverted 0.7%

Every scheduled departure from BDL in May 2025, judged by arrival at the destination.

May 2025 against a year earlier, the airport's year and the nation

Measure	May 2025	May 2024	BDL, 12 months to Jul 2026	All reported flights, May 2025
Departed on time	81.1%	76.2%	79.0%	76.7%
Arrived on time	76.5%	76.3%	76.7%	75.4%
Cancelled	0.6%	0.9%	2.4%	1.0%
Average departure delay (late minutes only)	13.9 min	20.9 min	16.3 min	17.5 min
Scheduled departures a day	71	64	61	20,188
Scheduled departures	2,142	1,911	22,344	605,648

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	463	22%	74.7%	10.4 min	1.5%
DL Delta Air Lines	392	18%	81.1%	0.1 min	0.0%
WN Southwest Airlines	380	18%	78.9%	3.6 min	0.3%
B6 JetBlue Airways	318	15%	79.6%	1.9 min	0.0%
UA United Airlines	237	11%	73.4%	7.5 min	0.8%
MQ Envoy Air	95	4%	66.3%	15.7 min	1.1%
OH PSA Airlines	87	4%	63.2%	33.2 min	2.3%
NK Spirit Airlines	65	3%	81.5%	2.6 min	0.0%
F9 Frontier Airlines	63	3%	66.7%	13.9 min	0.0%
OO SkyWest Airlines	27	1%	77.8%	9.9 min	0.0%
YX Republic Airline	15	1%	86.7%	14.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BDL–ORD	Hartford to Chicago	228	72.8%	6.6 min	0.9%
BDL–ATL	Hartford to Atlanta	209	74.2%	8.9 min	0.0%
BDL–DCA	Hartford to Washington	175	65.1%	32.0 min	2.3%
BDL–CLT	Hartford to Charlotte	174	78.7%	4.3 min	1.1%
BDL–MCO	Hartford to Orlando	163	74.2%	4.4 min	0.0%
BDL–BWI	Hartford to Baltimore	154	76.6%	8.5 min	0.6%
BDL–DTW	Hartford to Detroit	112	90.2%	-9.7 min	0.0%
BDL–IAD	Hartford to Washington	102	71.6%	11.7 min	0.0%
BDL–DEN	Hartford to Denver	93	75.3%	4.2 min	1.1%
BDL–DFW	Hartford to Dallas/Fort Worth	90	68.9%	8.8 min	1.1%
BDL–SJU	Hartford to San Juan	85	77.6%	6.0 min	0.0%
BDL–MSP	Hartford to Minneapolis	82	84.1%	-3.6 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), May 2025.

Delay causes

BTS cause category	Share of delay minutes	National, May 2025	Minutes
Air carrier	25.4%	29.3%	8,039
Late-arriving aircraft	41.4%	37.8%	13,111
National Aviation System	30.5%	25.9%	9,664
Extreme weather	2.7%	6.9%	850
Security	0.1%	0.1%	31

31,695 delay minutes on 476 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 May 2025?

81.1% of 2,142 scheduled domestic departures left less than 15 minutes late, and 76.5% reached their destination on time. The national figures that month were 76.7% and 75.4%.

How does that compare with a year earlier?

In May 2024, 76.2% of 1,911 departures left on time and 0.9% were cancelled, against 81.1% and 0.6% in May 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2025; 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.