Phoenix Sky Harbor International in June 2025

73.9%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 June 2025, reporting carriers scheduled 15,592 domestic departures from Phoenix Sky Harbor International (PHX). 73.9% left less than 15 minutes late and 75.2% reached their destination on time; 0.6% were cancelled.

Nationally that month, 71.4% of flights departed on time and 70.3% arrived on time, so PHX departures were 2.5 points above the national departure figure.

A year earlier, in June 2024, the airport had 15,326 departures with 74.7% leaving on time: a change of −0.8 points, with flights up 2%.

Flights arriving at PHX that month were on time 75.4% of the time (15,583 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 46%, air carrier 39% and national aviation system 13%.

On time 75.2%
Arrived 15+ minutes late 23.8%
Cancelled 0.6%
Diverted 0.4%

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

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

Measure	Jun 2025	Jun 2024	PHX, 12 months to Jul 2026	All reported flights, Jun 2025
Departed on time	73.9%	74.7%	76.1%	71.4%
Arrived on time	75.2%	75.0%	77.4%	70.3%
Cancelled	0.6%	0.5%	0.9%	1.6%
Average departure delay (late minutes only)	17.9 min	16.5 min	15.8 min	22.1 min
Scheduled departures a day	520	511	542	20,386
Scheduled departures	15,592	15,326	197,642	611,575

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	5,562	36%	71.9%	11.2 min	0.7%
AA American Airlines	4,691	30%	75.6%	10.7 min	0.5%
OO SkyWest Airlines	1,998	13%	78.4%	9.7 min	0.2%
DL Delta Air Lines	875	6%	83.4%	2.6 min	0.6%
UA United Airlines	742	5%	75.6%	12.7 min	0.7%
MQ Envoy Air	646	4%	79.1%	6.2 min	0.2%
F9 Frontier Airlines	505	3%	69.7%	15.1 min	2.0%
AS Alaska Airlines	408	3%	80.6%	3.3 min	0.0%
B6 JetBlue Airways	60	0%	70.0%	9.3 min	0.0%
NK Spirit Airlines	46	0%	80.4%	2.9 min	0.0%
HA Hawaiian Airlines	30	0%	70.0%	20.4 min	0.0%
G4 Allegiant Air	29	0%	86.2%	-2.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PHX–DEN	Phoenix to Denver	649	62.6%	24.0 min	1.8%
PHX–SEA	Phoenix to Seattle	618	76.9%	4.0 min	0.2%
PHX–LAX	Phoenix to Los Angeles	604	84.3%	0.7 min	0.0%
PHX–LAS	Phoenix to Las Vegas	508	72.8%	15.1 min	1.0%
PHX–SAN	Phoenix to San Diego	455	72.1%	11.4 min	1.1%
PHX–ORD	Phoenix to Chicago	454	72.9%	10.8 min	1.3%
PHX–DFW	Phoenix to Dallas/Fort Worth	437	73.7%	11.0 min	1.8%
PHX–SLC	Phoenix to Salt Lake City	427	80.6%	4.3 min	0.9%
PHX–SNA	Phoenix to Santa Ana	372	77.4%	8.9 min	0.3%
PHX–SFO	Phoenix to San Francisco	364	73.9%	10.9 min	0.5%
PHX–PDX	Phoenix to Portland	317	71.0%	15.7 min	0.0%
PHX–SMF	Phoenix to Sacramento	315	75.9%	9.4 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), June 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2025	Minutes
Air carrier	39.4%	31.6%	95,074
Late-arriving aircraft	45.5%	40.6%	109,839
National Aviation System	13.3%	20.9%	31,981
Extreme weather	1.7%	6.9%	4,057
Security	0.1%	0.2%	246

241,197 delay minutes on 3,711 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 June 2025?

73.9% of 15,592 scheduled domestic departures left less than 15 minutes late, and 75.2% reached their destination on time. The national figures that month were 71.4% and 70.3%.

How does that compare with a year earlier?

In June 2024, 74.7% of 15,326 departures left on time and 0.5% were cancelled, against 73.9% and 0.6% in June 2025.

Provenance

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