ON TIMEBOARD

PSP → LAS on time

Palm Springs (Palm Springs, CA) to Las Vegas Harry Reid (Las Vegas, NV). Every scheduled flight, September 2025 to August 2026.

On time
79%
arrived < 15 min late
Cancelled
0.5%
739 flights
Typical arrival
−7 min
median vs schedule
When late
+61 min
average delay
Flights / day
2
1 airline

79% of flights from Palm Springs to Las Vegas arrived on time over the past 12 months. That is about the typical U.S. route. 7% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for PSP → LAS: when a flight was late, it was under 45 minutes late 60% of the time. About 1 in 16 flights landed an hour or more late, and 1 in 106 three hours or more; 0.5% were cancelled outright.

Share of all 739 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines73979%0.5%−7 min6.1%+61 minSouthwest Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at PSP). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%5 a.m. departures: 93% on time (236 flights)935a6 a.m. departures: too few flights (44 flights)6a7 a.m. departures: too few flights7a8 a.m. departures: too few flights (3 flights)8a9 a.m. departures: too few flights (27 flights)9a10 a.m. departures: too few flights (96 flights)10a11 a.m. departures: too few flights (67 flights)11anoon departures: too few flights12p1 p.m. departures: too few flights (28 flights)1p2 p.m. departures: too few flights (66 flights)2p3 p.m. departures: too few flights (53 flights)3p4 p.m. departures: too few flights (56 flights)4p5 p.m. departures: too few flights (28 flights)5p6 p.m. departures: too few flights (22 flights)6p
PSP → LAS, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On PSP → LAS, each airline's last flight of the day was cancelled 0.4% of the time, against 0.5% for its earlier flights, so here the last flight is actually the safer one. It arrived 3+ hours late 1.1% of the time (earlier flights: 0.8%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Southwest Airlines4:00 p.m.0.4%1.1%0.5%first flight 10:00 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: October (88%). Worst: August (69%).

40%70%100%Jan: 85% on time (193 flights)85JanFeb: 80% on time (188 flights)80FebMar: 73% on time (222 flights)73MarApr: 72% on time (221 flights)72AprMay: 80% on time (231 flights)80MayJun: 74% on time (150 flights)74JunJul: 85% on time (143 flights)85JulAug: 69% on time (107 flights)69AugSep: 80% on time (124 flights)80SepOct: 88% on time (194 flights)88OctNov: 82% on time (224 flights)82NovDec: 84% on time (226 flights)84Dec

By day of week

DayFlightsOn timeCancelled
Monday11778%0.0%
Tuesday90——
Wednesday88——
Thursday11475%0.0%
Friday12070%0.0%
Saturday93——
Sunday11779%1.7%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 53%Airline (crew, maintenance, ops) 25%Air traffic & airport (NAS) 21%

Cancellations: air traffic/airport 2 · airline 1 · weather 1

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
May 18, 2026333%0
Apr 23, 2026333%0
May 1, 2026333%0
Feb 20, 2026333%0
Apr 20, 2026333%0

Questions

How often are flights from PSP to LAS on time?

79% of 739 scheduled flights from Palm Springs, CA to Las Vegas, NV arrived within 15 minutes of schedule between September 2025 and August 2026. 0.5% were cancelled.

What month has the most delays from PSP to LAS?

August (69% on time). The best month is October (88%), over 2023–2026.

Is the last flight of the day from PSP to LAS more likely to be cancelled?

No, the opposite. Each airline's last PSP–LAS flight of the day was cancelled 0.4% of the time over the past year, against 0.5% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.