ON TIMEBOARD

PSP → SLC on time

Palm Springs (Palm Springs, CA) to Salt Lake City (Salt Lake City, UT). Every scheduled flight, September 2025 to August 2026.

On time
92%
arrived < 15 min late
Cancelled
0.4%
1,080 flights
Typical arrival
−15 min
median vs schedule
When late
+113 min
average delay
Flights / day
3
1 airline

92% of flights from Palm Springs to Salt Lake City arrived on time over the past 12 months. That is better than the typical U.S. route. The 6 a.m. departures ran on time 98% of the time; the 1 p.m. ones 80%. 4% 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 → SLC: when a flight was late, it was under 45 minutes late 51% of the time. About 1 in 32 flights landed an hour or more late, and 1 in 72 three hours or more; 0.4% were cancelled outright.

Share of all 1,080 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines1,08092%0.4%−15 min3.1%+113 minSkyWest 93%, Delta Air Lines 7%

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%6 a.m. departures: 98% on time (364 flights)986a7 a.m. departures: too few flights (1 flights)7a8 a.m. departures: too few flights8a9 a.m. departures: too few flights9a10 a.m. departures: too few flights10a11 a.m. departures: too few flights11anoon departures: 93% on time (259 flights)9312p1 p.m. departures: 80% on time (105 flights)801p2 p.m. departures: too few flights2p3 p.m. departures: too few flights3p4 p.m. departures: too few flights (79 flights)4p5 p.m. departures: 86% on time (272 flights)865p
PSP → SLC, 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 → SLC, each airline's last flight of the day was cancelled 0.3% of the time, against 0.4% 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: 1.5%). 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
Delta Air Lines5:12 p.m.0.3%1.1%0.4%first flight 6:06 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: June (98%). Worst: February (86%).

40%70%100%Jan: 87% on time (275 flights)87JanFeb: 86% on time (255 flights)86FebMar: 87% on time (279 flights)87MarApr: 91% on time (270 flights)91AprMay: 94% on time (254 flights)94MayJun: 98% on time (240 flights)98JunJul: 93% on time (246 flights)93JulAug: 91% on time (246 flights)91AugSep: 96% on time (246 flights)96SepOct: 96% on time (268 flights)96OctNov: 95% on time (254 flights)95NovDec: 95% on time (267 flights)95Dec

By day of week

DayFlightsOn timeCancelled
Monday15992%0.0%
Tuesday15597%0.0%
Wednesday15395%0.0%
Thursday15192%0.7%
Friday15390%0.7%
Saturday15388%0.7%
Sunday15688%0.6%

Why flights were late

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

Airline (crew, maintenance, ops) 80%Severe weather 10%Late inbound plane 5%Air traffic & airport (NAS) 5%

Cancellations: air traffic/airport 3 · weather 1

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
DL 40306:00 a.m.36598%0.0%−19 minSkyWest
DL 38525:10 p.m.17186%0.0%−8 minSkyWest

Worst days in the past year

DateFlightsOn timeCancelled
Feb 19, 202630%0
Jan 19, 2026333%0
Apr 11, 2026333%0
Mar 15, 2026333%0
Mar 29, 2026333%0

Questions

How often are flights from PSP to SLC on time?

92% of 1,080 scheduled flights from Palm Springs, CA to Salt Lake City, UT arrived within 15 minutes of schedule between September 2025 and August 2026. 0.4% were cancelled.

What is the best time of day to fly PSP to SLC?

Flights scheduled to leave at 6 a.m. were the most reliable (98% on time). The 1 p.m. departures were the least (80%).

What month has the most delays from PSP to SLC?

February (86% on time). The best month is June (98%), over 2023–2026.

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

No, the opposite. Each airline's last PSP–SLC flight of the day was cancelled 0.3% of the time over the past year, against 0.4% 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.