Fresno Yosemite International in December 2023

87.2%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 December 2023, reporting carriers scheduled 908 domestic departures from Fresno Yosemite International (FAT). 87.2% left less than 15 minutes late and 87.3% reached their destination on time; 0.2% were cancelled.

Nationally that month, 83.1% of flights departed on time and 83.8% arrived on time, so FAT departures were 4.1 points above the national departure figure.

Flights arriving at FAT that month were on time 84.7% of the time (906 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 39%, late-arriving aircraft 37% and national aviation system 20%.

On time 87.3%
Arrived 15+ minutes late 12.3%
Cancelled 0.2%
Diverted 0.1%

Every scheduled departure from FAT in December 2023, judged by arrival at the destination.

December 2023 against a year earlier, the airport's year and the nation

Measure	Dec 2023	Year earlier	FAT, 12 months to Jul 2026	All reported flights, Dec 2023
Departed on time	87.2%	—	82.3%	83.1%
Arrived on time	87.3%	—	80.6%	83.8%
Cancelled	0.2%	—	1.0%	0.4%
Average departure delay (late minutes only)	10.2 min	—	14.4 min	11.6 min
Scheduled departures a day	30	—	36	19,013
Scheduled departures	908	—	13,119	570,394

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	408	45%	88.0%	-1.4 min	0.0%
AA American Airlines	186	20%	88.7%	3.8 min	0.0%
WN Southwest Airlines	149	16%	83.9%	-0.1 min	0.7%
UA United Airlines	69	8%	84.1%	24.0 min	0.0%
G4 Allegiant Air	55	6%	87.3%	-0.4 min	0.0%
AS Alaska Airlines	41	5%	92.7%	-10.0 min	2.4%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
FAT–LAS	Fresno to Las Vegas	171	86.5%	-0.2 min	0.0%
FAT–DEN	Fresno to Denver	126	85.7%	2.0 min	0.8%
FAT–PHX	Fresno to Phoenix	121	86.8%	1.6 min	0.0%
FAT–DFW	Fresno to Dallas/Fort Worth	111	89.2%	6.1 min	0.0%
FAT–SLC	Fresno to Salt Lake City	90	95.6%	-12.2 min	0.0%
FAT–SFO	Fresno to San Francisco	83	78.3%	11.9 min	0.0%
FAT–SAN	Fresno to San Diego	62	88.7%	-2.2 min	0.0%
FAT–SEA	Fresno to Seattle	54	85.2%	-6.0 min	1.9%
FAT–LAX	Fresno to Los Angeles	51	96.1%	-5.2 min	0.0%
FAT–PDX	Fresno to Portland	31	87.1%	-1.3 min	0.0%
FAT–ORD	Fresno to Chicago	8	62.5%	145.9 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 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2023	Minutes
Air carrier	39.1%	37.1%	3,288
Late-arriving aircraft	36.5%	38.8%	3,069
National Aviation System	20.0%	17.6%	1,685
Extreme weather	4.4%	6.2%	371
Security	0.0%	0.3%	0

8,413 delay minutes on 112 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 2023?

87.2% of 908 scheduled domestic departures left less than 15 minutes late, and 87.3% reached their destination on time. The national figures that month were 83.1% and 83.8%.

How does that compare with a year earlier?

December 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2023; 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.