On-Time Report

Airports › Grand Junction (GJT) › December 2025

Airport month · December 2025

Grand Junction Regional in December 2025

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 December 2025, reporting carriers scheduled 414 domestic departures from Grand Junction Regional (GJT). 87.2% left less than 15 minutes late and 86.0% reached their destination on time; 0.5% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so GJT departures were 15.2 points above the national departure figure.

A year earlier, in December 2024, the airport had 398 departures with 89.7% leaving on time: a change of −2.5 points, with flights up 4%.

Flights arriving at GJT that month were on time 85.4% of the time (412 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 39%, late-arriving aircraft 31% and national aviation system 22%.

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

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

MeasureDec 2025Dec 2024GJT, 12 months to Jul 2026All reported flights, Dec 2025
Departed on time87.2%89.7%83.6%72.0%
Arrived on time86.0%86.9%81.2%71.9%
Cancelled0.5%0.0%0.9%1.5%
Average departure delay (late minutes only)9.2 min8.9 min14.7 min21.2 min
Scheduled departures a day14131319,410
Scheduled departures4143984,840582,304

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
OO SkyWest Airlines26063%85.4%-3.3 min0.8%
MQ Envoy Air9222%93.5%-7.7 min0.0%
UA United Airlines6215%77.4%7.5 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
GJT–DENGrand Junction to Denver18778.6%2.3 min1.1%
GJT–DFWGrand Junction to Dallas/Fort Worth9193.4%-7.9 min0.0%
GJT–PHXGrand Junction to Phoenix8289.0%-3.7 min0.0%
GJT–SLCGrand Junction to Salt Lake City5494.4%-9.0 min0.0%

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), December 2025.

Delay causes

BTS cause categoryShare of delay minutesNational, Dec 2025Minutes
Air carrier39.2%33.3%1,370
Late-arriving aircraft31.2%41.1%1,089
National Aviation System22.4%19.1%784
Extreme weather7.2%6.4%251
Security0.0%0.2%0
3,494 delay minutes on 56 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← November 2025January 2026 →

Questions and answers

How many flights left GJT on time in December 2025?

87.2% of 414 scheduled domestic departures left less than 15 minutes late, and 86.0% reached their destination on time. The national figures that month were 72.0% and 71.9%.

How does that compare with a year earlier?

In December 2024, 89.7% of 398 departures left on time and 0.0% were cancelled, against 87.2% and 0.5% in December 2025.

Provenance

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