Tucson International in April 2025

84.9%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 April 2025, reporting carriers scheduled 1,899 domestic departures from Tucson International (TUS). 84.9% left less than 15 minutes late and 85.7% reached their destination on time; 0.8% were cancelled.

Nationally that month, 80.6% of flights departed on time and 79.5% arrived on time, so TUS departures were 4.3 points above the national departure figure.

A year earlier, in April 2024, the airport had 1,664 departures with 82.9% leaving on time: a change of +2.0 points, with flights up 14%.

Flights arriving at TUS that month were on time 81.9% of the time (1,897 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, national aviation system 28% and air carrier 26%.

On time 85.7%
Arrived 15+ minutes late 13.3%
Cancelled 0.8%
Diverted 0.2%

Every scheduled departure from TUS in April 2025, judged by arrival at the destination.

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

Measure	Apr 2025	Apr 2024	TUS, 12 months to Jul 2026	All reported flights, Apr 2025
Departed on time	84.9%	82.9%	82.2%	80.6%
Arrived on time	85.7%	83.2%	82.6%	79.5%
Cancelled	0.8%	0.5%	1.0%	0.8%
Average departure delay (late minutes only)	10.7 min	12.4 min	14.0 min	14.1 min
Scheduled departures a day	63	56	54	19,465
Scheduled departures	1,899	1,664	19,536	583,950

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	845	44%	91.0%	-4.4 min	0.0%
WN Southwest Airlines	414	22%	81.2%	5.0 min	0.7%
AA American Airlines	238	13%	74.8%	16.2 min	3.4%
UA United Airlines	145	8%	83.4%	4.0 min	0.7%
DL Delta Air Lines	133	7%	91.0%	-9.7 min	3.0%
AS Alaska Airlines	60	3%	76.7%	5.7 min	0.0%
MQ Envoy Air	53	3%	92.5%	-1.0 min	0.0%
F9 Frontier Airlines	11	1%	63.6%	6.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
TUS–PHX	Tucson to Phoenix	314	91.7%	0.2 min	0.0%
TUS–DEN	Tucson to Denver	276	73.2%	9.5 min	0.7%
TUS–LAX	Tucson to Los Angeles	236	91.9%	-9.0 min	0.4%
TUS–DFW	Tucson to Dallas/Fort Worth	175	70.9%	24.1 min	4.6%
TUS–ORD	Tucson to Chicago	120	90.0%	-1.4 min	0.0%
TUS–LAS	Tucson to Las Vegas	110	84.5%	4.8 min	0.0%
TUS–SEA	Tucson to Seattle	90	82.2%	-3.2 min	1.1%
TUS–SFO	Tucson to San Francisco	90	80.0%	1.6 min	0.0%
TUS–SLC	Tucson to Salt Lake City	90	97.8%	-16.3 min	0.0%
TUS–ATL	Tucson to Atlanta	73	90.4%	-6.3 min	4.1%
TUS–IAH	Tucson to Houston	56	89.3%	-7.0 min	0.0%
TUS–SAN	Tucson to San Diego	56	87.5%	5.3 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), April 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2025	Minutes
Air carrier	25.9%	32.7%	4,724
Late-arriving aircraft	40.1%	39.4%	7,311
National Aviation System	28.1%	22.2%	5,133
Extreme weather	5.9%	5.5%	1,068
Security	0.0%	0.2%	0

18,236 delay minutes on 253 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 April 2025?

84.9% of 1,899 scheduled domestic departures left less than 15 minutes late, and 85.7% reached their destination on time. The national figures that month were 80.6% and 79.5%.

How does that compare with a year earlier?

In April 2024, 82.9% of 1,664 departures left on time and 0.5% were cancelled, against 84.9% and 0.8% in April 2025.

Provenance

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