Palm Springs International in May 2026

76.1%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 May 2026, reporting carriers scheduled 1,215 domestic departures from Palm Springs International (PSP). 76.1% left less than 15 minutes late and 74.2% reached their destination on time; 0.8% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so PSP departures were 1.0 points below the national departure figure.

A year earlier, in May 2025, the airport had 1,257 departures with 83.1% leaving on time: a change of −7.0 points, with flights down 3%.

Flights arriving at PSP that month were on time 75.8% of the time (1,213 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, national aviation system 40%, air carrier 35% and late-arriving aircraft 23%.

On time 74.2%
Arrived 15+ minutes late 24.0%
Cancelled 0.8%
Diverted 1.0%

Every scheduled departure from PSP in May 2026, judged by arrival at the destination.

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

Measure	May 2026	May 2025	PSP, 12 months to Jul 2026	All reported flights, May 2026
Departed on time	76.1%	83.1%	79.5%	77.1%
Arrived on time	74.2%	80.4%	78.5%	77.6%
Cancelled	0.8%	0.6%	1.3%	0.9%
Average departure delay (late minutes only)	18.9 min	13.5 min	16.7 min	16.0 min
Scheduled departures a day	41	42	41	20,391
Scheduled departures	1,215	1,257	15,067	611,735

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	491	40%	70.1%	11.9 min	0.4%
WN Southwest Airlines	289	24%	77.5%	2.0 min	0.7%
AA American Airlines	184	15%	81.0%	15.4 min	1.6%
AS Alaska Airlines	111	9%	89.2%	-9.3 min	0.9%
UA United Airlines	108	9%	55.6%	35.6 min	1.9%
DL Delta Air Lines	26	2%	80.8%	-3.7 min	0.0%
G4 Allegiant Air	6	0%	66.7%	66.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PSP–SFO	Palm Springs to San Francisco	220	31.4%	52.3 min	0.5%
PSP–DEN	Palm Springs to Denver	180	80.6%	-0.6 min	1.1%
PSP–SEA	Palm Springs to Seattle	123	85.4%	-8.1 min	1.6%
PSP–PHX	Palm Springs to Phoenix	109	87.2%	0.8 min	0.0%
PSP–SLC	Palm Springs to Salt Lake City	93	94.6%	-5.0 min	0.0%
PSP–DFW	Palm Springs to Dallas/Fort Worth	79	81.0%	31.2 min	2.5%
PSP–LAS	Palm Springs to Las Vegas	79	72.2%	7.1 min	0.0%
PSP–OAK	Palm Springs to Oakland	69	75.4%	7.5 min	1.4%
PSP–ORD	Palm Springs to Chicago	60	75.0%	9.8 min	1.7%
PSP–PDX	Palm Springs to Portland	55	98.2%	-16.3 min	0.0%
PSP–SMF	Palm Springs to Sacramento	48	75.0%	-1.1 min	2.1%
PSP–LAX	Palm Springs to Los Angeles	31	90.3%	-8.2 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), May 2026.

Delay causes

BTS cause category	Share of delay minutes	National, May 2026	Minutes
Air carrier	35.4%	33.0%	7,912
Late-arriving aircraft	22.9%	40.4%	5,115
National Aviation System	39.5%	20.5%	8,821
Extreme weather	2.3%	6.0%	506
Security	0.0%	0.1%	0

22,354 delay minutes on 292 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 May 2026?

76.1% of 1,215 scheduled domestic departures left less than 15 minutes late, and 74.2% reached their destination on time. The national figures that month were 77.1% and 77.6%.

How does that compare with a year earlier?

In May 2025, 83.1% of 1,257 departures left on time and 0.6% were cancelled, against 76.1% and 0.8% in May 2026.

Provenance

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