On-Time Report

Airports › Tucson (TUS) › August 2025

Airport month · August 2025

Tucson International in August 2025

84.1%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 August 2025, reporting carriers scheduled 1,401 domestic departures from Tucson International (TUS). 84.1% left less than 15 minutes late and 82.6% reached their destination on time; 0.9% were cancelled.

Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so TUS departures were 7.3 points above the national departure figure.

A year earlier, in August 2024, the airport had 1,428 departures with 84.9% leaving on time: a change of −0.8 points, with flights down 2%.

Flights arriving at TUS that month were on time 78.9% of the time (1,400 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 37%, late-arriving aircraft 32% and national aviation system 19%.

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

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

MeasureAug 2025Aug 2024TUS, 12 months to Jul 2026All reported flights, Aug 2025
Departed on time84.1%84.9%82.2%76.8%
Arrived on time82.6%82.0%82.6%76.3%
Cancelled0.9%0.4%1.0%1.1%
Average departure delay (late minutes only)14.4 min13.1 min14.0 min17.6 min
Scheduled departures a day47485420,079
Scheduled departures1,4011,42819,536602,378

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
OO SkyWest Airlines65146%84.6%4.7 min0.0%
WN Southwest Airlines32923%83.6%1.9 min0.3%
AA American Airlines20114%68.7%29.8 min4.5%
MQ Envoy Air846%89.3%0.0 min0.0%
DL Delta Air Lines624%93.5%-14.4 min3.2%
AS Alaska Airlines312%87.1%-5.5 min0.0%
UA United Airlines252%80.0%4.4 min0.0%
F9 Frontier Airlines181%72.2%4.8 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
TUS–PHXTucson to Phoenix24183.8%5.1 min0.0%
TUS–LAXTucson to Los Angeles20684.5%8.7 min0.0%
TUS–DENTucson to Denver19172.3%11.4 min0.0%
TUS–DFWTucson to Dallas/Fort Worth15569.7%35.6 min5.2%
TUS–LASTucson to Las Vegas10886.1%-3.2 min0.0%
TUS–SEATucson to Seattle9389.2%-2.8 min0.0%
TUS–SLCTucson to Salt Lake City9397.8%-13.3 min0.0%
TUS–SFOTucson to San Francisco7594.7%1.0 min0.0%
TUS–ORDTucson to Chicago6765.7%11.9 min1.5%
TUS–ATLTucson to Atlanta6293.5%-14.4 min3.2%
TUS–SANTucson to San Diego4883.3%7.3 min0.0%
TUS–HOUTucson to Houston3083.3%-5.1 min0.0%

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), August 2025.

Delay causes

BTS cause categoryShare of delay minutesNational, Aug 2025Minutes
Air carrier36.6%33.1%7,115
Late-arriving aircraft32.3%40.5%6,285
National Aviation System19.2%19.2%3,741
Extreme weather11.8%7.0%2,301
Security0.0%0.1%0
19,442 delay minutes on 225 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← July 2025September 2025 →

Questions and answers

How many flights left TUS on time in August 2025?

84.1% of 1,401 scheduled domestic departures left less than 15 minutes late, and 82.6% reached their destination on time. The national figures that month were 76.8% and 76.3%.

How does that compare with a year earlier?

In August 2024, 84.9% of 1,428 departures left on time and 0.4% were cancelled, against 84.1% and 0.9% in August 2025.

Provenance

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