Fresno Yosemite International in December 2025

82.0%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 1,082 domestic departures from Fresno Yosemite International (FAT). 82.0% left less than 15 minutes late and 80.6% 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 FAT departures were 10.0 points above the national departure figure.

A year earlier, in December 2024, the airport had 1,043 departures with 71.9% leaving on time: a change of +10.1 points, with flights up 4%.

Flights arriving at FAT that month were on time 77.2% of the time (1,081 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 38%, late-arriving aircraft 38% and national aviation system 20%.

On time 80.6%
Arrived 15+ minutes late 18.6%
Cancelled 0.5%
Diverted 0.4%

Every scheduled departure from FAT 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	FAT, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	82.0%	71.9%	82.3%	72.0%
Arrived on time	80.6%	72.6%	80.6%	71.9%
Cancelled	0.5%	0.9%	1.0%	1.5%
Average departure delay (late minutes only)	12.8 min	24.5 min	14.4 min	21.2 min
Scheduled departures a day	36	35	36	19,410
Scheduled departures	1,082	1,043	13,119	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	586	54%	80.9%	1.8 min	0.9%
WN Southwest Airlines	184	17%	79.3%	2.3 min	0.0%
AA American Airlines	182	17%	81.3%	4.5 min	0.0%
G4 Allegiant Air	60	6%	83.3%	4.6 min	0.0%
AS Alaska Airlines	31	3%	74.2%	5.5 min	0.0%
UA United Airlines	29	3%	75.9%	17.4 min	0.0%
MQ Envoy Air	10	1%	90.0%	-3.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
FAT–SAN	Fresno to San Diego	163	68.1%	9.3 min	1.2%
FAT–LAS	Fresno to Las Vegas	151	84.1%	0.9 min	0.0%
FAT–PHX	Fresno to Phoenix	139	78.4%	3.1 min	0.0%
FAT–DEN	Fresno to Denver	125	88.8%	0.9 min	0.0%
FAT–SLC	Fresno to Salt Lake City	119	95.8%	-13.1 min	0.0%
FAT–DFW	Fresno to Dallas/Fort Worth	104	87.5%	3.1 min	0.0%
FAT–SFO	Fresno to San Francisco	82	69.5%	14.2 min	3.7%
FAT–LAX	Fresno to Los Angeles	79	81.0%	7.4 min	0.0%
FAT–SEA	Fresno to Seattle	62	69.4%	8.5 min	0.0%
FAT–PDX	Fresno to Portland	47	85.1%	-3.8 min	0.0%
FAT–ORD	Fresno to Chicago	11	45.5%	20.8 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), December 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	38.0%	33.3%	4,801
Late-arriving aircraft	37.7%	41.1%	4,758
National Aviation System	20.2%	19.1%	2,555
Extreme weather	3.7%	6.4%	468
Security	0.4%	0.2%	49

12,631 delay minutes on 201 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 FAT on time in December 2025?

82.0% of 1,082 scheduled domestic departures left less than 15 minutes late, and 80.6% 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, 71.9% of 1,043 departures left on time and 0.9% were cancelled, against 82.0% 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 FAT · methodology · corrections.