Phoenix Sky Harbor International in December 2023

84.4%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 December 2023, reporting carriers scheduled 15,996 domestic departures from Phoenix Sky Harbor International (PHX). 84.4% left less than 15 minutes late and 84.5% reached their destination on time; 0.2% were cancelled.

Nationally that month, 83.1% of flights departed on time and 83.8% arrived on time, so PHX departures were 1.3 points above the national departure figure.

Flights arriving at PHX that month were on time 85.5% of the time (16,002 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 40% and national aviation system 15%.

On time 84.5%
Arrived 15+ minutes late 15.0%
Cancelled 0.2%
Diverted 0.3%

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

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

Measure	Dec 2023	Year earlier	PHX, 12 months to Jul 2026	All reported flights, Dec 2023
Departed on time	84.4%	—	76.1%	83.1%
Arrived on time	84.5%	—	77.4%	83.8%
Cancelled	0.2%	—	0.9%	0.4%
Average departure delay (late minutes only)	9.6 min	—	15.8 min	11.6 min
Scheduled departures a day	533	—	542	19,013
Scheduled departures	15,996	—	197,642	570,394

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	5,532	35%	82.2%	2.9 min	0.5%
AA American Airlines	4,532	28%	83.8%	2.2 min	0.0%
OO SkyWest Airlines	2,332	15%	88.0%	0.7 min	0.2%
DL Delta Air Lines	936	6%	91.6%	-6.1 min	0.0%
UA United Airlines	836	5%	90.0%	-3.1 min	0.0%
F9 Frontier Airlines	760	5%	84.7%	3.3 min	0.0%
AS Alaska Airlines	386	2%	86.0%	-0.5 min	0.3%
MQ Envoy Air	371	2%	86.5%	2.8 min	0.3%
NK Spirit Airlines	182	1%	70.9%	10.6 min	0.5%
B6 JetBlue Airways	62	0%	59.7%	20.8 min	0.0%
G4 Allegiant Air	36	0%	83.3%	-5.5 min	0.0%
HA Hawaiian Airlines	31	0%	54.8%	21.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PHX–DEN	Phoenix to Denver	801	86.8%	2.3 min	0.2%
PHX–SEA	Phoenix to Seattle	584	86.0%	-0.9 min	0.3%
PHX–LAX	Phoenix to Los Angeles	554	84.8%	0.7 min	0.0%
PHX–LAS	Phoenix to Las Vegas	550	80.2%	6.0 min	0.5%
PHX–SLC	Phoenix to Salt Lake City	529	91.1%	-5.5 min	0.4%
PHX–ORD	Phoenix to Chicago	527	84.8%	-3.3 min	0.0%
PHX–SAN	Phoenix to San Diego	500	85.0%	-0.1 min	0.6%
PHX–DFW	Phoenix to Dallas/Fort Worth	422	85.5%	0.7 min	0.0%
PHX–SNA	Phoenix to Santa Ana	355	89.0%	-4.0 min	0.8%
PHX–SFO	Phoenix to San Francisco	343	75.2%	8.1 min	0.0%
PHX–ATL	Phoenix to Atlanta	321	87.5%	-2.7 min	0.0%
PHX–SMF	Phoenix to Sacramento	304	88.5%	0.8 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), December 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2023	Minutes
Air carrier	39.9%	37.1%	51,189
Late-arriving aircraft	42.4%	38.8%	54,433
National Aviation System	14.8%	17.6%	19,055
Extreme weather	2.8%	6.2%	3,544
Security	0.1%	0.3%	185

128,406 delay minutes on 2,401 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 December 2023?

84.4% of 15,996 scheduled domestic departures left less than 15 minutes late, and 84.5% reached their destination on time. The national figures that month were 83.1% and 83.8%.

How does that compare with a year earlier?

December 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 December 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.