Phoenix Sky Harbor International in January 2026

78.4%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 January 2026, reporting carriers scheduled 16,564 domestic departures from Phoenix Sky Harbor International (PHX). 78.4% left less than 15 minutes late and 79.5% reached their destination on time; 2.3% were cancelled.

Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so PHX departures were 2.8 points above the national departure figure.

A year earlier, in January 2025, the airport had 15,956 departures with 84.9% leaving on time: a change of −6.5 points, with flights up 4%.

Flights arriving at PHX that month were on time 79.4% of the time (16,565 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 43%, late-arriving aircraft 38% and national aviation system 14%.

On time 79.5%
Arrived 15+ minutes late 17.9%
Cancelled 2.3%
Diverted 0.2%

Every scheduled departure from PHX in January 2026, judged by arrival at the destination.

January 2026 against a year earlier, the airport's year and the nation

Measure	Jan 2026	Jan 2025	PHX, 12 months to Jul 2026	All reported flights, Jan 2026
Departed on time	78.4%	84.9%	76.1%	75.6%
Arrived on time	79.5%	86.8%	77.4%	75.3%
Cancelled	2.3%	0.9%	0.9%	4.7%
Average departure delay (late minutes only)	13.9 min	9.2 min	15.8 min	16.7 min
Scheduled departures a day	552	532	542	18,133
Scheduled departures	16,564	15,956	197,642	544,003

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	5,234	32%	82.3%	1.0 min	1.1%
AA American Airlines	4,974	30%	74.6%	7.9 min	4.8%
OO SkyWest Airlines	2,352	14%	78.0%	8.6 min	1.2%
MQ Envoy Air	1,017	6%	81.7%	0.7 min	0.8%
UA United Airlines	887	5%	87.0%	0.0 min	1.0%
DL Delta Air Lines	845	5%	84.0%	-1.0 min	2.0%
F9 Frontier Airlines	624	4%	76.6%	6.3 min	2.1%
AS Alaska Airlines	466	3%	85.6%	-1.5 min	0.9%
B6 JetBlue Airways	130	1%	75.4%	2.2 min	4.6%
G4 Allegiant Air	28	0%	78.6%	75.5 min	3.6%
NK Spirit Airlines	7	0%	71.4%	-11.2 min	14.3%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PHX–DEN	Phoenix to Denver	731	82.2%	2.9 min	1.0%
PHX–LAX	Phoenix to Los Angeles	636	84.0%	2.8 min	0.8%
PHX–SEA	Phoenix to Seattle	586	84.5%	-2.4 min	1.0%
PHX–LAS	Phoenix to Las Vegas	513	81.1%	1.6 min	1.6%
PHX–SLC	Phoenix to Salt Lake City	490	82.9%	1.1 min	0.4%
PHX–SAN	Phoenix to San Diego	451	75.6%	6.9 min	2.7%
PHX–ORD	Phoenix to Chicago	447	76.5%	7.8 min	1.3%
PHX–DFW	Phoenix to Dallas/Fort Worth	403	74.9%	8.2 min	8.4%
PHX–SNA	Phoenix to Santa Ana	381	82.4%	0.9 min	1.0%
PHX–SFO	Phoenix to San Francisco	377	76.9%	10.1 min	1.9%
PHX–PDX	Phoenix to Portland	300	85.0%	-0.8 min	0.7%
PHX–SMF	Phoenix to Sacramento	299	81.6%	0.7 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), January 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2026	Minutes
Air carrier	42.6%	37.3%	81,368
Late-arriving aircraft	38.0%	35.0%	72,504
National Aviation System	13.8%	18.0%	26,427
Extreme weather	5.4%	9.6%	10,244
Security	0.2%	0.1%	324

190,867 delay minutes on 2,971 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 January 2026?

78.4% of 16,564 scheduled domestic departures left less than 15 minutes late, and 79.5% reached their destination on time. The national figures that month were 75.6% and 75.3%.

How does that compare with a year earlier?

In January 2025, 84.9% of 15,956 departures left on time and 0.9% were cancelled, against 78.4% and 2.3% in January 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2026; 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.