Monterey Regional in December 2025

83.0%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 December 2025, reporting carriers scheduled 370 domestic departures from Monterey Regional (MRY). 83.0% left less than 15 minutes late and 82.2% reached their destination on time; 1.1% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so MRY departures were 11.0 points above the national departure figure.

A year earlier, in December 2024, the airport had 408 departures with 78.4% leaving on time: a change of +4.6 points, with flights down 9%.

Flights arriving at MRY that month were on time 78.5% of the time (368 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 43%, air carrier 37% and national aviation system 12%.

On time 82.2%
Arrived 15+ minutes late 16.5%
Cancelled 1.1%
Diverted 0.3%

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

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

Measure	Dec 2025	Dec 2024	MRY, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	83.0%	78.4%	82.0%	72.0%
Arrived on time	82.2%	75.7%	79.8%	71.9%
Cancelled	1.1%	1.5%	1.0%	1.5%
Average departure delay (late minutes only)	17.7 min	25.0 min	16.7 min	21.2 min
Scheduled departures a day	12	14	13	19,410
Scheduled departures	370	408	4,686	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	303	82%	81.2%	6.8 min	1.0%
AA American Airlines	36	10%	83.3%	31.2 min	2.8%
MQ Envoy Air	23	6%	87.0%	-3.0 min	0.0%
G4 Allegiant Air	8	2%	100.0%	-5.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MRY–PHX	Monterey to Phoenix	132	84.8%	8.3 min	1.5%
MRY–LAX	Monterey to Los Angeles	70	84.3%	3.0 min	0.0%
MRY–DEN	Monterey to Denver	62	88.7%	-9.5 min	0.0%
MRY–SFO	Monterey to San Francisco	46	65.2%	16.1 min	2.2%
MRY–SAN	Monterey to San Diego	36	72.2%	13.8 min	2.8%
MRY–DFW	Monterey to Dallas/Fort Worth	16	87.5%	70.8 min	0.0%
MRY–LAS	Monterey to Las Vegas	8	100.0%	-5.0 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), December 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	36.5%	33.3%	2,370
Late-arriving aircraft	42.7%	41.1%	2,768
National Aviation System	12.2%	19.1%	794
Extreme weather	8.6%	6.4%	556
Security	0.0%	0.2%	0

6,488 delay minutes on 61 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 December 2025?

83.0% of 370 scheduled domestic departures left less than 15 minutes late, and 82.2% 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, 78.4% of 408 departures left on time and 1.5% were cancelled, against 83.0% and 1.1% 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 MRY · methodology · corrections.