Bangor International in May 2025

78.8%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.

In May 2025, reporting carriers scheduled 184 domestic departures from Bangor International (BGR). 78.8% left less than 15 minutes late and 71.2% reached their destination on time; 4.3% were cancelled.

Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so BGR departures were 2.1 points above the national departure figure.

A year earlier, in May 2024, the airport had 221 departures with 88.7% leaving on time: a change of −9.9 points, with flights down 17%.

Flights arriving at BGR that month were on time 70.9% of the time (182 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 33%, air carrier 33% and national aviation system 29%.

On time 71.2%
Arrived 15+ minutes late 24.5%
Cancelled 4.3%
Diverted 0.0%

Every scheduled departure from BGR 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	BGR, 12 months to Jul 2026	All reported flights, May 2025
Departed on time	78.8%	88.7%	75.6%	76.7%
Arrived on time	71.2%	86.4%	72.0%	75.4%
Cancelled	4.3%	2.3%	3.3%	1.0%
Average departure delay (late minutes only)	17.7 min	10.3 min	25.5 min	17.5 min
Scheduled departures a day	6	7	11	20,188
Scheduled departures	184	221	3,983	605,648

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OH PSA Airlines	83	45%	67.5%	17.6 min	8.4%
G4 Allegiant Air	49	27%	77.6%	10.2 min	2.0%
YX Republic Airline	36	20%	66.7%	17.9 min	0.0%
MQ Envoy Air	14	8%	92.9%	-4.9 min	0.0%
DL Delta Air Lines	2	1%	0.0%	90.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BGR–DCA	Bangor to Washington	65	64.6%	23.2 min	6.2%
BGR–EWR	Bangor to Newark	25	60.0%	23.1 min	0.0%
BGR–ORD	Bangor to Chicago	25	88.0%	0.0 min	0.0%
BGR–PIE	Bangor to St. Petersburg	21	85.7%	13.3 min	0.0%
BGR–SFB	Bangor to Sanford	21	71.4%	5.9 min	4.8%
BGR–PHL	Bangor to Philadelphia	18	77.8%	-5.1 min	16.7%
BGR–FLL	Bangor to Fort Lauderdale	5	100.0%	-21.4 min	0.0%
BGR–ATL	Bangor to Atlanta	2	0.0%	90.5 min	0.0%
BGR–PGD	Bangor to Punta Gorda	2	0.0%	100.5 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), May 2025.

Delay causes

BTS cause category	Share of delay minutes	National, May 2025	Minutes
Air carrier	32.5%	29.3%	1,232
Late-arriving aircraft	33.4%	37.8%	1,265
National Aviation System	29.2%	25.9%	1,105
Extreme weather	4.9%	6.9%	184
Security	0.0%	0.1%	0

3,786 delay minutes on 45 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 BGR on time in May 2025?

78.8% of 184 scheduled domestic departures left less than 15 minutes late, and 71.2% 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, 88.7% of 221 departures left on time and 2.3% were cancelled, against 78.8% and 4.3% 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 BGR · methodology · corrections.