PHX · Phoenix Sky Harbor International Airport

Share of flights 15+ min late, by month

departures arrivals usual for the month (departures) Jan 2015 → Jul 2026; gridlines 10/20/30/40%

Month	Flights	Late 15+	vs usual	Cancelled	Avg min	Main cause
Jul 2026	16,096	29.7%	+2.1	0.9%	22	Late aircraft
Jun 2026	15,685	30.5%	+4.8	0.4%	21	Late aircraft
May 2026	17,337	25.2%	+4.8	0.3%	16	Late aircraft
Apr 2026	17,679	21.9%	+2.2	0.3%	14	Late aircraft
Mar 2026	19,277	22.6%	+1.3	0.9%	16	Airline
Feb 2026	15,656	19.3%	+3.1	0.7%	12	Airline
Jan 2026	16,564	19.7%	+4.2	2.3%	14	Airline
Dec 2025	17,689	24.0%	+1.6	0.5%	15	Late aircraft
Nov 2025	16,887	23.1%	+7.5	2.2%	16	Late aircraft
Oct 2025	16,620	23.4%	+4.6	0.2%	15	Late aircraft
Sep 2025	13,772	18.7%	+1.7	1.1%	14	Late aircraft
Aug 2025	14,380	20.3%	-0.9	0.4%	15	Late aircraft
Jul 2025	15,729	26.3%	-1.3	1.0%	19	Late aircraft
Jun 2025	15,592	25.7%	+0.7	0.6%	18	Late aircraft
May 2025	17,223	20.9%	+0.5	0.4%	14	Airline
Apr 2025	18,188	18.7%	-1.0	0.4%	12	Late aircraft
Mar 2025	19,262	20.6%	-0.7	0.6%	14	Late aircraft
Feb 2025	15,458	16.3%	-4.1	0.4%	10	Late aircraft
Jan 2025	15,956	14.3%	-1.1	0.9%	9	Airline
Dec 2024	17,342	19.0%	-3.3	0.3%	13	Late aircraft
Nov 2024	16,827	15.6%	-0.9	0.2%	10	Airline
Oct 2024	16,978	16.0%	-2.8	0.2%	10	Airline
Sep 2024	15,081	14.9%	-2.1	0.2%	10	Late aircraft
Aug 2024	15,416	20.5%	-1.0	0.7%	15	Late aircraft

Airline	Flights	Late	Canc.
Envoy	754	8.1%	1.3%
United	843	9.0%	0.8%
Frontier	718	12.2%	0.4%
Alaska	471	12.3%	0.0%
American	4,472	16.2%	0.9%
Delta	785	16.6%	1.3%
SkyWest	2,318	23.0%	0.9%
Southwest	5,144	25.4%	0.2%
JetBlue	127	30.2%	8.7%

Airlines with 30+ departures that month.

Date	Flights	Late	Canc.
2015-02-01	393	63%	14%
2022-12-24	390	57%	19%
2021-11-08	499	60%	10%
2023-01-11	476	59%	6%
2025-03-07	643	61%	1%
2025-10-12	587	61%	0%
2025-09-26	490	47%	25%
2022-12-23	492	52%	16%
2021-07-23	479	58%	1%
2018-09-16	446	54%	8%
2025-10-13	586	58%	0%
2025-11-10	605	53%	10%

Departures; ranked by share late or cancelled.