Tucson International in April 2026

83.5%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 2026, reporting carriers scheduled 1,834 domestic departures from Tucson International (TUS). 83.5% left less than 15 minutes late and 84.9% reached their destination on time; 0.4% were cancelled.

Nationally that month, 79.1% of flights departed on time and 78.9% arrived on time, so TUS departures were 4.4 points above the national departure figure.

A year earlier, in April 2025, the airport had 1,899 departures with 84.9% leaving on time: a change of −1.4 points, with flights down 3%.

Flights arriving at TUS that month were on time 79.3% of the time (1,835 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 40%, late-arriving aircraft 38% and national aviation system 20%.

On time 84.9%
Arrived 15+ minutes late 14.4%
Cancelled 0.4%
Diverted 0.2%

Every scheduled departure from TUS in April 2026, judged by arrival at the destination.

April 2026 against a year earlier, the airport's year and the nation

Measure	Apr 2026	Apr 2025	TUS, 12 months to Jul 2026	All reported flights, Apr 2026
Departed on time	83.5%	84.9%	82.2%	79.1%
Arrived on time	84.9%	85.7%	82.6%	78.9%
Cancelled	0.4%	0.8%	1.0%	0.9%
Average departure delay (late minutes only)	11.5 min	10.7 min	14.0 min	14.5 min
Scheduled departures a day	61	63	54	19,931
Scheduled departures	1,834	1,899	19,536	597,919

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	858	47%	84.4%	-0.8 min	0.1%
WN Southwest Airlines	428	23%	84.1%	0.7 min	0.0%
AA American Airlines	233	13%	81.1%	10.5 min	2.1%
DL Delta Air Lines	132	7%	94.7%	-11.0 min	1.5%
UA United Airlines	99	5%	89.9%	-8.1 min	0.0%
AS Alaska Airlines	60	3%	90.0%	-6.2 min	0.0%
F9 Frontier Airlines	12	1%	41.7%	29.0 min	0.0%
MQ Envoy Air	12	1%	91.7%	-5.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
TUS–PHX	Tucson to Phoenix	353	86.4%	2.0 min	0.0%
TUS–DEN	Tucson to Denver	260	87.7%	-3.6 min	0.0%
TUS–LAX	Tucson to Los Angeles	226	90.7%	-4.6 min	0.0%
TUS–DFW	Tucson to Dallas/Fort Worth	179	83.8%	12.5 min	2.2%
TUS–ORD	Tucson to Chicago	114	70.2%	5.6 min	1.8%
TUS–LAS	Tucson to Las Vegas	109	85.3%	0.0 min	0.0%
TUS–SLC	Tucson to Salt Lake City	94	95.7%	-15.7 min	0.0%
TUS–SEA	Tucson to Seattle	90	92.2%	-8.0 min	0.0%
TUS–SFO	Tucson to San Francisco	86	48.8%	23.6 min	0.0%
TUS–ATL	Tucson to Atlanta	72	94.4%	-11.5 min	2.8%
TUS–SAN	Tucson to San Diego	56	73.2%	5.3 min	0.0%
TUS–PDX	Tucson to Portland	51	90.2%	-13.0 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), April 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2026	Minutes
Air carrier	39.5%	33.5%	7,127
Late-arriving aircraft	37.5%	40.4%	6,759
National Aviation System	19.5%	21.0%	3,521
Extreme weather	3.5%	5.0%	623
Security	0.0%	0.1%	0

18,030 delay minutes on 265 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 2026?

83.5% of 1,834 scheduled domestic departures left less than 15 minutes late, and 84.9% reached their destination on time. The national figures that month were 79.1% and 78.9%.

How does that compare with a year earlier?

In April 2025, 84.9% of 1,899 departures left on time and 0.8% were cancelled, against 83.5% and 0.4% in April 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 2026; 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.