Montrose Regional in June 2026

71.4%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 June 2026, reporting carriers scheduled 192 domestic departures from Montrose Regional (MTJ). 71.4% left less than 15 minutes late and 76.6% reached their destination on time; 1.0% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so MTJ departures were 0.8 points below the national departure figure.

A year earlier, in June 2025, the airport had 188 departures with 62.8% leaving on time: a change of +8.6 points, with flights up 2%.

Flights arriving at MTJ that month were on time 71.4% of the time (192 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 57%, late-arriving aircraft 27% and national aviation system 12%.

On time 76.6%
Arrived 15+ minutes late 20.8%
Cancelled 1.0%
Diverted 1.6%

Every scheduled departure from MTJ in June 2026, judged by arrival at the destination.

June 2026 against a year earlier, the airport's year and the nation

Measure	Jun 2026	Jun 2025	MTJ, 12 months to Jul 2026	All reported flights, Jun 2026
Departed on time	71.4%	62.8%	77.2%	72.2%
Arrived on time	76.6%	60.1%	77.5%	72.8%
Cancelled	1.0%	0.5%	1.2%	1.6%
Average departure delay (late minutes only)	48.3 min	55.2 min	23.0 min	20.6 min
Scheduled departures a day	6	6	7	20,253
Scheduled departures	192	188	2,526	607,577

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	60	31%	85.0%	21.4 min	0.0%
OO SkyWest Airlines	55	29%	72.7%	23.3 min	1.8%
WN Southwest Airlines	34	18%	79.4%	2.2 min	0.0%
AA American Airlines	30	16%	56.7%	137.3 min	3.3%
MQ Envoy Air	13	7%	92.3%	-6.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MTJ–DEN	Montrose/Delta to Denver	120	81.7%	14.5 min	0.0%
MTJ–DFW	Montrose/Delta to Dallas/Fort Worth	43	67.4%	91.6 min	2.3%
MTJ–ORD	Montrose/Delta to Chicago	21	66.7%	54.2 min	4.8%
MTJ–DAL	Montrose/Delta to Dallas	4	50.0%	-13.3 min	0.0%
MTJ–LAX	Montrose/Delta to Los Angeles	4	100.0%	-35.5 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), June 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2026	Minutes
Air carrier	57.1%	30.8%	4,797
Late-arriving aircraft	26.5%	42.1%	2,232
National Aviation System	11.7%	20.3%	980
Extreme weather	4.7%	6.7%	399
Security	0.0%	0.1%	0

8,408 delay minutes on 40 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 June 2026?

71.4% of 192 scheduled domestic departures left less than 15 minutes late, and 76.6% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 62.8% of 188 departures left on time and 0.5% were cancelled, against 71.4% and 1.0% in June 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2026; 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.