Phoenix Sky Harbor International in July 2025

73.0%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 July 2025, reporting carriers scheduled 15,729 domestic departures from Phoenix Sky Harbor International (PHX). 73.0% left less than 15 minutes late and 74.4% reached their destination on time; 1.0% were cancelled.

Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so PHX departures were 3.3 points above the national departure figure.

A year earlier, in July 2024, the airport had 15,733 departures with 71.2% leaving on time: a change of +1.8 points, with flights down 0%.

Flights arriving at PHX that month were on time 74.8% of the time (15,728 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 45%, air carrier 40% and national aviation system 14%.

On time 74.4%
Arrived 15+ minutes late 24.2%
Cancelled 1.0%
Diverted 0.5%

Every scheduled departure from PHX in July 2025, judged by arrival at the destination.

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

Measure	Jul 2025	Jul 2024	PHX, 12 months to Jul 2026	All reported flights, Jul 2025
Departed on time	73.0%	71.2%	76.1%	69.7%
Arrived on time	74.4%	71.6%	77.4%	69.0%
Cancelled	1.0%	1.6%	0.9%	2.5%
Average departure delay (late minutes only)	19.4 min	21.9 min	15.8 min	24.3 min
Scheduled departures a day	524	524	542	21,048
Scheduled departures	15,729	15,733	197,642	631,428

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	5,634	36%	72.6%	10.5 min	0.8%
AA American Airlines	4,783	30%	70.9%	16.0 min	1.2%
OO SkyWest Airlines	1,945	12%	79.8%	9.1 min	0.7%
DL Delta Air Lines	886	6%	85.6%	-3.2 min	1.0%
UA United Airlines	779	5%	73.4%	16.2 min	1.7%
MQ Envoy Air	641	4%	82.1%	3.1 min	0.2%
F9 Frontier Airlines	519	3%	73.8%	11.9 min	1.7%
AS Alaska Airlines	399	3%	79.4%	4.5 min	1.0%
NK Spirit Airlines	43	0%	86.0%	2.6 min	0.0%
B6 JetBlue Airways	38	0%	57.9%	20.5 min	5.3%
G4 Allegiant Air	31	0%	77.4%	3.7 min	0.0%
HA Hawaiian Airlines	31	0%	93.5%	29.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PHX–DEN	Phoenix to Denver	658	62.3%	21.4 min	1.7%
PHX–SEA	Phoenix to Seattle	621	81.8%	1.4 min	0.5%
PHX–LAX	Phoenix to Los Angeles	608	84.4%	5.0 min	0.5%
PHX–LAS	Phoenix to Las Vegas	495	76.4%	7.9 min	0.4%
PHX–SAN	Phoenix to San Diego	473	73.4%	10.5 min	1.1%
PHX–ORD	Phoenix to Chicago	439	69.9%	10.2 min	2.5%
PHX–SLC	Phoenix to Salt Lake City	431	79.6%	5.3 min	1.4%
PHX–DFW	Phoenix to Dallas/Fort Worth	421	68.9%	16.8 min	2.6%
PHX–SNA	Phoenix to Santa Ana	382	78.5%	10.5 min	0.3%
PHX–SFO	Phoenix to San Francisco	356	64.3%	16.0 min	0.3%
PHX–ATL	Phoenix to Atlanta	317	83.3%	2.4 min	0.3%
PHX–SMF	Phoenix to Sacramento	316	75.9%	7.4 min	0.3%

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), July 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2025	Minutes
Air carrier	39.8%	31.1%	105,674
Late-arriving aircraft	44.9%	40.8%	119,101
National Aviation System	13.7%	20.7%	36,310
Extreme weather	1.3%	7.3%	3,578
Security	0.2%	0.1%	561

265,224 delay minutes on 3,802 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 PHX on time in July 2025?

73.0% of 15,729 scheduled domestic departures left less than 15 minutes late, and 74.4% reached their destination on time. The national figures that month were 69.7% and 69.0%.

How does that compare with a year earlier?

In July 2024, 71.2% of 15,733 departures left on time and 1.6% were cancelled, against 73.0% and 1.0% in July 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for PHX · methodology · corrections.