Grand Forks International in April 2026

88.3%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 April 2026, reporting carriers scheduled 120 domestic departures from Grand Forks International (GFK). 88.3% left less than 15 minutes late and 85.0% reached their destination on time; 0.8% were cancelled.

Nationally that month, 79.1% of flights departed on time and 78.9% arrived on time, so GFK departures were 9.2 points above the national departure figure.

A year earlier, in April 2025, the airport had 38 departures with 89.5% leaving on time: a change of −1.2 points, with flights up 216%.

Flights arriving at GFK that month were on time 87.5% of the time (120 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 58%, extreme weather 33% and national aviation system 9%.

On time 85.0%
Arrived 15+ minutes late 14.2%
Cancelled 0.8%
Diverted 0.0%

Every scheduled departure from GFK in April 2026, judged by arrival at the destination.

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

Measure	Apr 2026	Apr 2025	GFK, 12 months to Jul 2026	All reported flights, Apr 2026
Departed on time	88.3%	89.5%	84.7%	79.1%
Arrived on time	85.0%	81.6%	83.9%	78.9%
Cancelled	0.8%	0.0%	1.4%	0.9%
Average departure delay (late minutes only)	12.6 min	9.3 min	13.0 min	14.5 min
Scheduled departures a day	4	1	3	19,931
Scheduled departures	120	38	1,223	597,919

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	102	85%	86.3%	-6.1 min	1.0%
G4 Allegiant Air	18	15%	77.8%	12.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GFK–MSP	Grand Forks to Minneapolis	102	86.3%	-6.1 min	1.0%
GFK–AZA	Grand Forks to Phoenix	9	100.0%	-4.6 min	0.0%
GFK–LAS	Grand Forks to Las Vegas	9	55.6%	30.4 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), April 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2026	Minutes
Air carrier	57.5%	33.5%	869
Late-arriving aircraft	1.0%	40.4%	15
National Aviation System	9.0%	21.0%	136
Extreme weather	32.5%	5.0%	490
Security	0.0%	0.1%	0

1,510 delay minutes on 17 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 April 2026?

88.3% of 120 scheduled domestic departures left less than 15 minutes late, and 85.0% reached their destination on time. The national figures that month were 79.1% and 78.9%.

How does that compare with a year earlier?

In April 2025, 89.5% of 38 departures left on time and 0.0% were cancelled, against 88.3% and 0.8% in April 2026.

Provenance

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