Tucson International in December 2025

82.3%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 1,784 domestic departures from Tucson International (TUS). 82.3% left less than 15 minutes late and 82.1% reached their destination on time; 0.6% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so TUS departures were 10.3 points above the national departure figure.

A year earlier, in December 2024, the airport had 1,874 departures with 84.0% leaving on time: a change of −1.7 points, with flights down 5%.

Flights arriving at TUS that month were on time 76.4% of the time (1,782 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, air carrier 36% and national aviation system 20%.

On time 82.1%
Arrived 15+ minutes late 17.2%
Cancelled 0.6%
Diverted 0.1%

Every scheduled departure from TUS 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	TUS, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	82.3%	84.0%	82.2%	72.0%
Arrived on time	82.1%	83.2%	82.6%	71.9%
Cancelled	0.6%	0.6%	1.0%	1.5%
Average departure delay (late minutes only)	13.9 min	15.4 min	14.0 min	21.2 min
Scheduled departures a day	60	63	54	19,410
Scheduled departures	1,784	1,874	19,536	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	708	40%	81.1%	6.5 min	0.7%
WN Southwest Airlines	415	23%	83.4%	2.3 min	0.0%
AA American Airlines	288	16%	82.3%	1.7 min	0.0%
DL Delta Air Lines	114	6%	86.8%	-3.0 min	2.6%
UA United Airlines	93	5%	83.9%	4.9 min	1.1%
AS Alaska Airlines	75	4%	76.0%	1.6 min	0.0%
MQ Envoy Air	64	4%	85.9%	0.0 min	1.6%
F9 Frontier Airlines	27	2%	70.4%	7.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
TUS–PHX	Tucson to Phoenix	277	83.0%	11.3 min	0.0%
TUS–DEN	Tucson to Denver	271	81.9%	4.6 min	0.4%
TUS–LAX	Tucson to Los Angeles	225	86.2%	-5.7 min	0.4%
TUS–DFW	Tucson to Dallas/Fort Worth	217	81.6%	0.8 min	0.5%
TUS–LAS	Tucson to Las Vegas	126	88.1%	-1.0 min	0.0%
TUS–SFO	Tucson to San Francisco	91	68.1%	21.6 min	1.1%
TUS–SLC	Tucson to Salt Lake City	90	90.0%	-8.5 min	0.0%
TUS–ORD	Tucson to Chicago	88	78.4%	10.4 min	1.1%
TUS–SEA	Tucson to Seattle	85	74.1%	3.1 min	0.0%
TUS–ATL	Tucson to Atlanta	71	90.1%	-5.4 min	2.8%
TUS–SAN	Tucson to San Diego	57	77.2%	7.9 min	0.0%
TUS–PDX	Tucson to Portland	52	90.4%	-6.8 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	36.3%	33.3%	8,094
Late-arriving aircraft	41.2%	41.1%	9,188
National Aviation System	19.5%	19.1%	4,341
Extreme weather	2.7%	6.4%	598
Security	0.3%	0.2%	69

22,290 delay minutes on 307 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 TUS on time in December 2025?

82.3% of 1,784 scheduled domestic departures left less than 15 minutes late, and 82.1% 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, 84.0% of 1,874 departures left on time and 0.6% were cancelled, against 82.3% and 0.6% 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 TUS · methodology · corrections.