Grand Junction Regional in September 2025

86.4%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 September 2025, reporting carriers scheduled 389 domestic departures from Grand Junction Regional (GJT). 86.4% left less than 15 minutes late and 81.5% reached their destination on time; 0.5% were cancelled.

Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so GJT departures were 3.3 points above the national departure figure.

A year earlier, in September 2024, the airport had 357 departures with 88.0% leaving on time: a change of −1.6 points, with flights up 9%.

Flights arriving at GJT that month were on time 85.3% of the time (389 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 72%, national aviation system 19% and extreme weather 6%.

On time 81.5%
Arrived 15+ minutes late 17.0%
Cancelled 0.5%
Diverted 1.0%

Every scheduled departure from GJT in September 2025, judged by arrival at the destination.

September 2025 against a year earlier, the airport's year and the nation

Measure	Sep 2025	Sep 2024	GJT, 12 months to Jul 2026	All reported flights, Sep 2025
Departed on time	86.4%	88.0%	83.6%	83.1%
Arrived on time	81.5%	85.2%	81.2%	82.8%
Cancelled	0.5%	0.0%	0.9%	0.5%
Average departure delay (late minutes only)	17.6 min	13.3 min	14.7 min	12.2 min
Scheduled departures a day	13	12	13	18,748
Scheduled departures	389	357	4,840	562,439

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	238	61%	82.4%	17.6 min	0.4%
MQ Envoy Air	89	23%	79.8%	-3.1 min	1.1%
UA United Airlines	62	16%	80.6%	0.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GJT–DEN	Grand Junction to Denver	180	76.1%	13.0 min	0.0%
GJT–DFW	Grand Junction to Dallas/Fort Worth	88	80.7%	-3.8 min	1.1%
GJT–PHX	Grand Junction to Phoenix	68	83.8%	38.0 min	1.5%
GJT–SLC	Grand Junction to Salt Lake City	53	98.1%	-11.3 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), September 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2025	Minutes
Air carrier	71.9%	34.3%	4,971
Late-arriving aircraft	3.5%	37.4%	243
National Aviation System	19.0%	22.6%	1,316
Extreme weather	5.6%	5.6%	387
Security	0.0%	0.1%	0

6,917 delay minutes on 66 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 September 2025?

86.4% of 389 scheduled domestic departures left less than 15 minutes late, and 81.5% reached their destination on time. The national figures that month were 83.1% and 82.8%.

How does that compare with a year earlier?

In September 2024, 88.0% of 357 departures left on time and 0.0% were cancelled, against 86.4% and 0.5% in September 2025.

Provenance

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