Monterey Regional in September 2025

89.0%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 391 domestic departures from Monterey Regional (MRY). 89.0% left less than 15 minutes late and 84.9% reached their destination on time; 1.3% were cancelled.

Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so MRY departures were 5.9 points above the national departure figure.

A year earlier, in September 2024, the airport had 393 departures with 85.0% leaving on time: a change of +4.0 points, with flights down 1%.

Flights arriving at MRY that month were on time 83.6% of the time (391 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 57%, late-arriving aircraft 30% and national aviation system 9%.

On time 84.9%
Arrived 15+ minutes late 13.3%
Cancelled 1.3%
Diverted 0.5%

Every scheduled departure from MRY 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	MRY, 12 months to Jul 2026	All reported flights, Sep 2025
Departed on time	89.0%	85.0%	82.0%	83.1%
Arrived on time	84.9%	81.7%	79.8%	82.8%
Cancelled	1.3%	0.5%	1.0%	0.5%
Average departure delay (late minutes only)	13.6 min	14.4 min	16.7 min	12.2 min
Scheduled departures a day	13	13	13	18,748
Scheduled departures	391	393	4,686	562,439

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	318	81%	85.8%	-2.2 min	1.3%
AA American Airlines	34	9%	73.5%	45.1 min	2.9%
MQ Envoy Air	30	8%	90.0%	-0.7 min	0.0%
G4 Allegiant Air	9	2%	77.8%	86.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MRY–PHX	Monterey to Phoenix	91	82.4%	1.4 min	2.2%
MRY–LAX	Monterey to Los Angeles	88	90.9%	-0.5 min	0.0%
MRY–DEN	Monterey to Denver	60	91.7%	-7.6 min	0.0%
MRY–SAN	Monterey to San Diego	60	78.3%	1.0 min	3.3%
MRY–SFO	Monterey to San Francisco	53	86.8%	-7.9 min	0.0%
MRY–DFW	Monterey to Dallas/Fort Worth	30	73.3%	51.0 min	3.3%
MRY–LAS	Monterey to Las Vegas	9	77.8%	86.0 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	56.9%	34.3%	2,994
Late-arriving aircraft	29.6%	37.4%	1,556
National Aviation System	9.1%	22.6%	479
Extreme weather	4.4%	5.6%	232
Security	0.0%	0.1%	0

5,261 delay minutes on 52 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 MRY on time in September 2025?

89.0% of 391 scheduled domestic departures left less than 15 minutes late, and 84.9% 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, 85.0% of 393 departures left on time and 0.5% were cancelled, against 89.0% and 1.3% 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 MRY · methodology · corrections.