Palm Springs International in September 2025

85.0%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 2025, reporting carriers scheduled 805 domestic departures from Palm Springs International (PSP). 85.0% left less than 15 minutes late and 82.6% reached their destination on time; 0.5% were cancelled.

Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so PSP departures were 1.9 points above the national departure figure.

A year earlier, in September 2024, the airport had 719 departures with 86.2% leaving on time: a change of −1.2 points, with flights up 12%.

Flights arriving at PSP that month were on time 83.5% of the time (805 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 45%, national aviation system 36% and late-arriving aircraft 19%.

On time 82.6%
Arrived 15+ minutes late 16.8%
Cancelled 0.5%
Diverted 0.1%

Every scheduled departure from PSP in September 2025, judged by arrival at the destination.

September 2025 against a year earlier, the airport's year and the nation

Measure	Sep 2025	Sep 2024	PSP, 12 months to Jul 2026	All reported flights, Sep 2025
Departed on time	85.0%	86.2%	79.5%	83.1%
Arrived on time	82.6%	84.4%	78.5%	82.8%
Cancelled	0.5%	0.1%	1.3%	0.5%
Average departure delay (late minutes only)	10.7 min	7.9 min	16.7 min	12.2 min
Scheduled departures a day	27	24	41	18,748
Scheduled departures	805	719	15,067	562,439

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	457	57%	83.8%	-1.1 min	0.0%
AA American Airlines	115	14%	77.4%	8.0 min	2.6%
WN Southwest Airlines	111	14%	79.3%	6.0 min	0.0%
UA United Airlines	72	9%	84.7%	-0.1 min	0.0%
AS Alaska Airlines	30	4%	96.7%	-7.8 min	3.3%
F9 Frontier Airlines	20	2%	75.0%	13.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PSP–SFO	Palm Springs to San Francisco	191	72.3%	6.3 min	0.0%
PSP–DEN	Palm Springs to Denver	138	83.3%	0.5 min	0.0%
PSP–PHX	Palm Springs to Phoenix	94	77.7%	3.4 min	2.1%
PSP–SEA	Palm Springs to Seattle	90	93.3%	-7.1 min	1.1%
PSP–SLC	Palm Springs to Salt Lake City	85	96.5%	-7.1 min	0.0%
PSP–DFW	Palm Springs to Dallas/Fort Worth	60	76.7%	19.6 min	1.7%
PSP–LAS	Palm Springs to Las Vegas	34	85.3%	-2.9 min	0.0%
PSP–LAX	Palm Springs to Los Angeles	30	90.0%	-1.5 min	0.0%
PSP–PDX	Palm Springs to Portland	30	100.0%	-21.9 min	0.0%
PSP–SMF	Palm Springs to Sacramento	30	70.0%	14.1 min	0.0%
PSP–OAK	Palm Springs to Oakland	17	88.2%	2.2 min	0.0%
PSP–ORD	Palm Springs to Chicago	6	83.3%	-11.8 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), September 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2025	Minutes
Air carrier	45.3%	34.3%	3,835
Late-arriving aircraft	18.5%	37.4%	1,568
National Aviation System	36.1%	22.6%	3,058
Extreme weather	0.1%	5.6%	9
Security	0.0%	0.1%	0

8,470 delay minutes on 135 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 PSP on time in September 2025?

85.0% of 805 scheduled domestic departures left less than 15 minutes late, and 82.6% reached their destination on time. The national figures that month were 83.1% and 82.8%.

How does that compare with a year earlier?

In September 2024, 86.2% of 719 departures left on time and 0.1% were cancelled, against 85.0% and 0.5% in September 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for PSP · methodology · corrections.