Phoenix Sky Harbor International in September 2024

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 September 2024, reporting carriers scheduled 15,081 domestic departures from Phoenix Sky Harbor International (PHX). 84.9% left less than 15 minutes late and 86.1% reached their destination on time; 0.2% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so PHX departures were 0.5 points above the national departure figure.

A year earlier, in September 2023, the airport had 14,285 departures with 82.5% leaving on time: a change of +2.4 points, with flights up 6%.

Flights arriving at PHX that month were on time 86.3% of the time (15,080 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, air carrier 43% and national aviation system 13%.

On time 86.1%
Arrived 15+ minutes late 13.6%
Cancelled 0.2%
Diverted 0.1%

Every scheduled departure from PHX in September 2024, judged by arrival at the destination.

September 2024 against a year earlier, the airport's year and the nation

Measure	Sep 2024	Sep 2023	PHX, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	84.9%	82.5%	76.1%	84.4%
Arrived on time	86.1%	84.2%	77.4%	83.9%
Cancelled	0.2%	0.3%	0.9%	0.6%
Average departure delay (late minutes only)	9.6 min	11.1 min	15.8 min	10.6 min
Scheduled departures a day	503	476	542	19,421
Scheduled departures	15,081	14,285	197,642	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	5,239	35%	84.6%	0.1 min	0.2%
AA American Airlines	4,193	28%	85.2%	1.0 min	0.1%
OO SkyWest Airlines	1,824	12%	89.1%	-2.3 min	0.0%
DL Delta Air Lines	831	6%	90.5%	-0.3 min	0.2%
MQ Envoy Air	819	5%	93.2%	-3.9 min	0.0%
UA United Airlines	806	5%	89.1%	-6.5 min	0.4%
F9 Frontier Airlines	783	5%	82.2%	3.3 min	0.4%
AS Alaska Airlines	384	3%	83.6%	0.6 min	0.5%
NK Spirit Airlines	76	1%	68.4%	28.6 min	0.0%
B6 JetBlue Airways	60	0%	90.0%	9.5 min	0.0%
G4 Allegiant Air	36	0%	69.4%	14.0 min	5.6%
HA Hawaiian Airlines	30	0%	90.0%	-5.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PHX–DEN	Phoenix to Denver	748	88.0%	-2.5 min	0.3%
PHX–LAX	Phoenix to Los Angeles	641	88.0%	-1.3 min	0.0%
PHX–LAS	Phoenix to Las Vegas	597	79.7%	4.8 min	0.8%
PHX–SEA	Phoenix to Seattle	569	80.8%	5.7 min	0.2%
PHX–ORD	Phoenix to Chicago	468	87.6%	-5.4 min	0.2%
PHX–SLC	Phoenix to Salt Lake City	465	87.7%	-0.5 min	0.0%
PHX–SAN	Phoenix to San Diego	457	79.2%	5.1 min	0.0%
PHX–DFW	Phoenix to Dallas/Fort Worth	418	87.1%	-0.2 min	0.0%
PHX–SFO	Phoenix to San Francisco	373	83.1%	1.9 min	0.0%
PHX–SNA	Phoenix to Santa Ana	343	90.4%	-3.7 min	0.0%
PHX–PDX	Phoenix to Portland	316	88.0%	1.2 min	0.6%
PHX–SMF	Phoenix to Sacramento	295	86.8%	-0.6 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), September 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	42.9%	38.6%	50,124
Late-arriving aircraft	43.5%	38.4%	50,887
National Aviation System	13.0%	18.2%	15,199
Extreme weather	0.5%	4.8%	564
Security	0.1%	0.1%	170

116,944 delay minutes on 2,044 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 September 2024?

84.9% of 15,081 scheduled domestic departures left less than 15 minutes late, and 86.1% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 82.5% of 14,285 departures left on time and 0.3% were cancelled, against 84.9% and 0.2% in September 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2024; 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.