Grand Junction Regional in May 2025

79.3%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 May 2025, reporting carriers scheduled 420 domestic departures from Grand Junction Regional (GJT). 79.3% left less than 15 minutes late and 75.5% reached their destination on time; 0.7% were cancelled.

Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so GJT departures were 2.6 points above the national departure figure.

A year earlier, in May 2024, the airport had 302 departures with 78.8% leaving on time: a change of +0.5 points, with flights up 39%.

Flights arriving at GJT that month were on time 79.0% of the time (420 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 37%, national aviation system 29% and late-arriving aircraft 27%.

On time 75.5%
Arrived 15+ minutes late 23.3%
Cancelled 0.7%
Diverted 0.5%

Every scheduled departure from GJT 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	GJT, 12 months to Jul 2026	All reported flights, May 2025
Departed on time	79.3%	78.8%	83.6%	76.7%
Arrived on time	75.5%	76.2%	81.2%	75.4%
Cancelled	0.7%	1.7%	0.9%	1.0%
Average departure delay (late minutes only)	20.6 min	20.9 min	14.7 min	17.5 min
Scheduled departures a day	14	10	13	20,188
Scheduled departures	420	302	4,840	605,648

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	322	77%	76.7%	10.9 min	0.9%
UA United Airlines	62	15%	77.4%	22.8 min	0.0%
MQ Envoy Air	36	9%	61.1%	27.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GJT–DEN	Grand Junction to Denver	186	64.0%	26.7 min	0.5%
GJT–PHX	Grand Junction to Phoenix	92	88.0%	4.1 min	0.0%
GJT–DFW	Grand Junction to Dallas/Fort Worth	89	74.2%	14.2 min	1.1%
GJT–SLC	Grand Junction to Salt Lake City	53	96.2%	-13.4 min	1.9%

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 2025.

Delay causes

BTS cause category	Share of delay minutes	National, May 2025	Minutes
Air carrier	36.7%	29.3%	3,268
Late-arriving aircraft	27.0%	37.8%	2,409
National Aviation System	28.6%	25.9%	2,549
Extreme weather	7.7%	6.9%	687
Security	0.0%	0.1%	0

8,913 delay minutes on 98 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 2025?

79.3% of 420 scheduled domestic departures left less than 15 minutes late, and 75.5% 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, 78.8% of 302 departures left on time and 1.7% were cancelled, against 79.3% and 0.7% 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 GJT · methodology · corrections.