Grand Forks International in May 2026

87.2%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 117 domestic departures from Grand Forks International (GFK). 87.2% left less than 15 minutes late and 88.9% reached their destination on time; 0.0% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so GFK departures were 10.1 points above the national departure figure.

A year earlier, in May 2025, the airport had 69 departures with 87.0% leaving on time: a change of +0.2 points, with flights up 70%.

Flights arriving at GFK that month were on time 83.8% of the time (117 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 90%, extreme weather 10% and national aviation system 0%.

On time 88.9%
Arrived 15+ minutes late 11.1%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from GFK 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	GFK, 12 months to Jul 2026	All reported flights, May 2026
Departed on time	87.2%	87.0%	84.7%	77.1%
Arrived on time	88.9%	84.1%	83.9%	77.6%
Cancelled	0.0%	0.0%	1.4%	0.9%
Average departure delay (late minutes only)	24.6 min	7.6 min	13.0 min	16.0 min
Scheduled departures a day	4	2	3	20,391
Scheduled departures	117	69	1,223	611,735

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	114	97%	88.6%	4.3 min	0.0%
G4 Allegiant Air	3	3%	100.0%	-12.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GFK–MSP	Grand Forks to Minneapolis	114	88.6%	4.3 min	0.0%
GFK–AZA	Grand Forks to Phoenix	2	100.0%	-5.5 min	0.0%
GFK–LAS	Grand Forks to Las Vegas	1	100.0%	-26.0 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 2026.

Delay causes

BTS cause category	Share of delay minutes	National, May 2026	Minutes
Air carrier	90.0%	33.0%	2,348
Late-arriving aircraft	0.0%	40.4%	0
National Aviation System	0.2%	20.5%	6
Extreme weather	9.7%	6.0%	254
Security	0.0%	0.1%	0

2,608 delay minutes on 13 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 GFK on time in May 2026?

87.2% of 117 scheduled domestic departures left less than 15 minutes late, and 88.9% 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, 87.0% of 69 departures left on time and 0.0% were cancelled, against 87.2% and 0.0% 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 GFK · methodology · corrections.