Grand Junction Regional in May 2026

85.1%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 2026, reporting carriers scheduled 449 domestic departures from Grand Junction Regional (GJT). 85.1% left less than 15 minutes late and 83.5% reached their destination on time; 0.7% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so GJT departures were 8.0 points above the national departure figure.

A year earlier, in May 2025, the airport had 420 departures with 79.3% leaving on time: a change of +5.8 points, with flights up 7%.

Flights arriving at GJT that month were on time 81.5% of the time (449 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 40%, late-arriving aircraft 27% and extreme weather 21%.

On time 83.5%
Arrived 15+ minutes late 15.8%
Cancelled 0.7%
Diverted 0.0%

Every scheduled departure from GJT 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	GJT, 12 months to Jul 2026	All reported flights, May 2026
Departed on time	85.1%	79.3%	83.6%	77.1%
Arrived on time	83.5%	75.5%	81.2%	77.6%
Cancelled	0.7%	0.7%	0.9%	0.9%
Average departure delay (late minutes only)	10.4 min	20.6 min	14.7 min	16.0 min
Scheduled departures a day	15	14	13	20,391
Scheduled departures	449	420	4,840	611,735

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	325	72%	81.2%	0.5 min	0.3%
MQ Envoy Air	62	14%	91.9%	-6.9 min	3.2%
UA United Airlines	62	14%	87.1%	-5.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GJT–DEN	Grand Junction to Denver	214	78.0%	-0.1 min	0.5%
GJT–DFW	Grand Junction to Dallas/Fort Worth	93	83.9%	4.6 min	2.2%
GJT–PHX	Grand Junction to Phoenix	89	88.8%	-2.0 min	0.0%
GJT–SLC	Grand Junction to Salt Lake City	53	96.2%	-15.3 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	39.9%	33.0%	1,799
Late-arriving aircraft	26.7%	40.4%	1,201
National Aviation System	12.1%	20.5%	546
Extreme weather	21.3%	6.0%	960
Security	0.0%	0.1%	0

4,506 delay minutes on 71 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 GJT on time in May 2026?

85.1% of 449 scheduled domestic departures left less than 15 minutes late, and 83.5% 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, 79.3% of 420 departures left on time and 0.7% were cancelled, against 85.1% and 0.7% 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 GJT · methodology · corrections.