Bangor International in May 2026

81.7%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 May 2026, reporting carriers scheduled 355 domestic departures from Bangor International (BGR). 81.7% left less than 15 minutes late and 83.1% reached their destination on time; 0.3% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so BGR departures were 4.6 points above the national departure figure.

A year earlier, in May 2025, the airport had 184 departures with 78.8% leaving on time: a change of +2.9 points, with flights up 93%.

Flights arriving at BGR that month were on time 79.8% of the time (357 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 42%, late-arriving aircraft 41% and national aviation system 17%.

On time 83.1%
Arrived 15+ minutes late 16.6%
Cancelled 0.3%
Diverted 0.0%

Every scheduled departure from BGR in May 2026, judged by arrival at the destination.

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

Measure	May 2026	May 2025	BGR, 12 months to Jul 2026	All reported flights, May 2026
Departed on time	81.7%	78.8%	75.6%	77.1%
Arrived on time	83.1%	71.2%	72.0%	77.6%
Cancelled	0.3%	4.3%	3.3%	0.9%
Average departure delay (late minutes only)	18.8 min	17.7 min	25.5 min	16.0 min
Scheduled departures a day	12	6	11	20,391
Scheduled departures	355	184	3,983	611,735

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
YX Republic Airline	98	28%	85.7%	0.9 min	0.0%
AA American Airlines	92	26%	85.9%	8.4 min	0.0%
OH PSA Airlines	84	24%	76.2%	0.1 min	1.2%
G4 Allegiant Air	46	13%	82.6%	8.3 min	0.0%
OO SkyWest Airlines	21	6%	76.2%	23.7 min	0.0%
MQ Envoy Air	10	3%	100.0%	-17.9 min	0.0%
DL Delta Air Lines	4	1%	100.0%	-14.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
BGR–DCA	Bangor to Washington	108	78.7%	-1.0 min	0.9%
BGR–ORD	Bangor to Chicago	80	82.5%	-0.1 min	0.0%
BGR–EWR	Bangor to Newark	52	86.5%	1.8 min	0.0%
BGR–CLT	Bangor to Charlotte	33	93.9%	-20.1 min	0.0%
BGR–SFB	Bangor to Sanford	23	82.6%	10.7 min	0.0%
BGR–LGA	Bangor to New York	19	78.9%	6.8 min	0.0%
BGR–PIE	Bangor to St. Petersburg	18	83.3%	-3.0 min	0.0%
BGR–PHL	Bangor to Philadelphia	13	84.6%	134.2 min	0.0%
BGR–PGD	Bangor to Punta Gorda	5	80.0%	38.0 min	0.0%
BGR–ATL	Bangor to Atlanta	4	100.0%	-14.2 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 2026.

Delay causes

BTS cause category	Share of delay minutes	National, May 2026	Minutes
Air carrier	42.2%	33.0%	2,692
Late-arriving aircraft	40.9%	40.4%	2,605
National Aviation System	16.5%	20.5%	1,052
Extreme weather	0.4%	6.0%	27
Security	0.0%	0.1%	0

6,376 delay minutes on 59 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 2026?

81.7% of 355 scheduled domestic departures left less than 15 minutes late, and 83.1% reached their destination on time. The national figures that month were 77.1% and 77.6%.

How does that compare with a year earlier?

In May 2025, 78.8% of 184 departures left on time and 4.3% were cancelled, against 81.7% and 0.3% in May 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2026; 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.