Montrose Regional in May 2025

75.2%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 May 2025, reporting carriers scheduled 129 domestic departures from Montrose Regional (MTJ). 75.2% left less than 15 minutes late and 72.9% reached their destination on time; 0.8% were cancelled.

Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so MTJ departures were 1.5 points below the national departure figure.

A year earlier, in May 2024, the airport had 151 departures with 74.2% leaving on time: a change of +1.0 points, with flights down 15%.

Flights arriving at MTJ that month were on time 76.7% of the time (129 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, national aviation system 56%, late-arriving aircraft 39% and air carrier 5%.

On time 72.9%
Arrived 15+ minutes late 25.6%
Cancelled 0.8%
Diverted 0.8%

Every scheduled departure from MTJ 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	MTJ, 12 months to Jul 2026	All reported flights, May 2025
Departed on time	75.2%	74.2%	77.2%	76.7%
Arrived on time	72.9%	74.2%	77.5%	75.4%
Cancelled	0.8%	2.0%	1.2%	1.0%
Average departure delay (late minutes only)	27.3 min	17.8 min	23.0 min	17.5 min
Scheduled departures a day	4	5	7	20,188
Scheduled departures	129	151	2,526	605,648

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	62	48%	71.0%	26.8 min	1.6%
MQ Envoy Air	31	24%	71.0%	18.4 min	0.0%
WN Southwest Airlines	23	18%	73.9%	21.3 min	0.0%
OO SkyWest Airlines	13	10%	84.6%	-6.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MTJ–DEN	Montrose/Delta to Denver	95	72.6%	22.1 min	1.1%
MTJ–DFW	Montrose/Delta to Dallas/Fort Worth	31	71.0%	18.4 min	0.0%
MTJ–ORD	Montrose/Delta to Chicago	3	100.0%	-11.0 min	0.0%

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), May 2025.

Delay causes

BTS cause category	Share of delay minutes	National, May 2025	Minutes
Air carrier	4.7%	29.3%	166
Late-arriving aircraft	39.3%	37.8%	1,401
National Aviation System	56.0%	25.9%	1,996
Extreme weather	0.0%	6.9%	0
Security	0.0%	0.1%	0

3,563 delay minutes on 33 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 MTJ on time in May 2025?

75.2% of 129 scheduled domestic departures left less than 15 minutes late, and 72.9% 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, 74.2% of 151 departures left on time and 2.0% were cancelled, against 75.2% and 0.8% 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 MTJ · methodology · corrections.