Phoenix Sky Harbor International in September 2023

82.5%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 September 2023, reporting carriers scheduled 14,285 domestic departures from Phoenix Sky Harbor International (PHX). 82.5% left less than 15 minutes late and 84.2% reached their destination on time; 0.3% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.1% arrived on time, so PHX departures were 2.0 points above the national departure figure.

Flights arriving at PHX that month were on time 82.2% of the time (14,281 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 52%, air carrier 34% and national aviation system 13%.

On time 84.2%
Arrived 15+ minutes late 15.3%
Cancelled 0.3%
Diverted 0.1%

Every scheduled departure from PHX in September 2023, judged by arrival at the destination.

September 2023 against a year earlier, the airport's year and the nation

Measure	Sep 2023	Year earlier	PHX, 12 months to Jul 2026	All reported flights, Sep 2023
Departed on time	82.5%	—	76.1%	80.5%
Arrived on time	84.2%	—	77.4%	80.1%
Cancelled	0.3%	—	0.9%	1.2%
Average departure delay (late minutes only)	11.1 min	—	15.8 min	14.1 min
Scheduled departures a day	476	—	542	18,978
Scheduled departures	14,285	—	197,642	569,338

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	5,155	36%	82.2%	2.3 min	0.3%
AA American Airlines	4,305	30%	84.5%	1.4 min	0.3%
OO SkyWest Airlines	1,630	11%	89.8%	-3.6 min	0.0%
DL Delta Air Lines	815	6%	91.3%	-7.3 min	0.2%
F9 Frontier Airlines	800	6%	77.3%	10.7 min	0.9%
UA United Airlines	665	5%	86.8%	-1.7 min	0.6%
AS Alaska Airlines	367	3%	88.0%	-3.5 min	0.3%
MQ Envoy Air	323	2%	91.6%	-4.8 min	0.0%
NK Spirit Airlines	105	1%	70.5%	12.6 min	2.9%
B6 JetBlue Airways	60	0%	48.3%	66.9 min	0.0%
G4 Allegiant Air	30	0%	66.7%	27.4 min	3.3%
HA Hawaiian Airlines	30	0%	63.3%	15.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PHX–DEN	Phoenix to Denver	711	81.7%	5.3 min	0.4%
PHX–LAS	Phoenix to Las Vegas	617	75.2%	8.5 min	1.0%
PHX–SEA	Phoenix to Seattle	604	87.7%	-4.6 min	0.2%
PHX–LAX	Phoenix to Los Angeles	524	87.4%	1.1 min	0.0%
PHX–ORD	Phoenix to Chicago	488	86.5%	-3.4 min	0.2%
PHX–SAN	Phoenix to San Diego	480	79.8%	4.5 min	0.6%
PHX–SLC	Phoenix to Salt Lake City	411	83.9%	1.2 min	0.0%
PHX–DFW	Phoenix to Dallas/Fort Worth	381	80.3%	8.0 min	0.5%
PHX–SFO	Phoenix to San Francisco	342	83.3%	4.1 min	0.0%
PHX–SNA	Phoenix to Santa Ana	328	81.7%	4.2 min	0.0%
PHX–PDX	Phoenix to Portland	294	84.7%	0.4 min	0.0%
PHX–ATL	Phoenix to Atlanta	290	91.0%	-7.3 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 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2023	Minutes
Air carrier	33.5%	36.4%	43,160
Late-arriving aircraft	52.1%	38.3%	67,250
National Aviation System	13.2%	19.9%	17,002
Extreme weather	0.8%	5.1%	1,039
Security	0.4%	0.2%	520

128,971 delay minutes on 2,187 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 2023?

82.5% of 14,285 scheduled domestic departures left less than 15 minutes late, and 84.2% reached their destination on time. The national figures that month were 80.5% and 80.1%.

How does that compare with a year earlier?

September 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2023; 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.