ON TIMEBOARD

DEN → PSP on time

Denver (Denver, CO) to Palm Springs (Palm Springs, CA). Every scheduled flight, September 2025 to August 2026.

On time
76%
arrived < 15 min late
Cancelled
0.5%
2,026 flights
Typical arrival
−4 min
median vs schedule
When late
+58 min
average delay
Flights / day
6
3 airlines

76% of flights from Denver to Palm Springs arrived on time over the past 12 months. That is about the typical U.S. route. The 7 a.m. departures ran on time 93% of the time; the 8 p.m. ones 50%. Most reliable airline: United Airlines (79%). 8% 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 DEN → PSP: when a flight was late, it was under 45 minutes late 58% of the time. About 1 in 14 flights landed an hour or more late, and 1 in 135 three hours or more; 0.5% were cancelled outright.

Share of all 2,026 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
United Airlines1,45579%0.5%−6 min6.0%+59 minUnited Airlines 60%, SkyWest 40%
Southwest Airlines54167%0.5%+3 min9.6%+57 minSouthwest Airlines
Frontier Airlines30—————Frontier 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 DEN). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%7 a.m. departures: 93% on time (149 flights)937a8 a.m. departures: 88% on time (147 flights)888a9 a.m. departures: too few flights (33 flights)9a10 a.m. departures: too few flights (21 flights)10a11 a.m. departures: 78% on time (376 flights)7811anoon departures: too few flights (30 flights)12p1 p.m. departures: 82% on time (240 flights)821p2 p.m. departures: too few flights (62 flights)2p3 p.m. departures: 84% on time (270 flights)843p4 p.m. departures: too few flights (94 flights)4p5 p.m. departures: too few flights (34 flights)5p6 p.m. departures: too few flights6p7 p.m. departures: 67% on time (361 flights)677p8 p.m. departures: 50% on time (161 flights)508p9 p.m. departures: too few flights (43 flights)9p
DEN → PSP, 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

By airline and hour

DepartsUnited AirlinesSouthwest Airlines
7 a.m.93%—
11 a.m.78%—
1 p.m.84%—
3 p.m.86%—
7 p.m.68%—
8 p.m.—48%

Last flight of the day

On DEN → PSP, each airline's last flight of the day was cancelled 0.6% of the time, against 0.5% for its earlier flights, about the same. It arrived 3+ hours late 0.9% of the time (earlier flights: 0.6%). 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
United Airlines7:05 p.m.0.5%1.1%0.5%first flight 11:15 a.m.
Southwest Airlines8:50 p.m.0.6%0.6%0.0%first flight 8:50 p.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 (86%). Worst: June (67%).

40%70%100%Jan: 74% on time (540 flights)74JanFeb: 74% on time (526 flights)74FebMar: 81% on time (664 flights)81MarApr: 82% on time (622 flights)82AprMay: 75% on time (512 flights)75MayJun: 67% on time (312 flights)67JunJul: 68% on time (284 flights)68JulAug: 69% on time (336 flights)69AugSep: 82% on time (380 flights)82SepOct: 86% on time (495 flights)86OctNov: 81% on time (510 flights)81NovDec: 81% on time (539 flights)81Dec

By day of week

DayFlightsOn timeCancelled
Monday30580%0.0%
Tuesday28379%0.4%
Wednesday27773%0.4%
Thursday28475%0.0%
Friday29979%0.3%
Saturday28574%1.4%
Sunday29372%1.4%

Why flights were late

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

Late inbound plane 47%Airline (crew, maintenance, ops) 32%Air traffic & airport (NAS) 20%Severe weather 2%

Cancellations: air traffic/airport 6 · airline 3 · weather 2

Month by month

50%75%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 79% on time, 0.0% cancelledOct 2023: 81% on time, 0.0% cancelledNov 2023: 81% on time, 0.0% cancelledDec 2023: 81% on time, 0.0% cancelledJan 2024: 71% on time, 0.0% cancelledFeb 2024: 72% on time, 0.7% cancelledMar 2024: 79% on time, 1.5% cancelledApr 2024: 86% on time, 0.0% cancelledMay 2024: 77% on time, 0.0% cancelledJun 2024: 72% on time, 0.0% cancelledAug 2024: 75% on time, 0.0% cancelledSep 2024: 85% on time, 0.0% cancelledOct 2024: 94% on time, 0.0% cancelledNov 2024: 78% on time, 1.1% cancelledDec 2024: 85% on time, 0.0% cancelledJan 2025: 80% on time, 0.0% cancelledFeb 2025: 71% on time, 0.0% cancelledMar 2025: 81% on time, 0.8% cancelledApr 2025: 81% on time, 0.0% cancelledMay 2025: 76% on time, 0.6% cancelledJun 2025: 69% on time, 0.0% cancelledJul 2025: 66% on time, 0.0% cancelledAug 2025: 69% on time, 0.9% cancelledSep 2025: 82% on time, 0.0% cancelledOct 2025: 82% on time, 0.0% cancelledNov 2025: 84% on time, 0.5% cancelledDec 2025: 75% on time, 0.0% cancelledJan 2026: 71% on time, 3.1% cancelledFeb 2026: 77% on time, 0.0% cancelledMar 2026: 84% on time, 0.0% cancelledApr 2026: 79% on time, 0.0% cancelledMay 2026: 72% on time, 0.6% cancelledAug 2026: 63% on time, 2.6% cancelled
Share of flights on time, by month (hover a point for cancellations)
DEN → PSP, monthly on-time and cancellation rate.

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
UA 129411:15 a.m.34377%0.3%−3 minUnited Airlines
UA 54693:45 p.m.28285%0.7%−10 minSkyWest
UA 26447:18 p.m.21072%0.5%0 minUnited Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Feb 17, 202670%0
Jan 4, 202670%2
Jun 8, 202630%0
Jul 6, 202630%0
Aug 8, 202630%0

Questions

How often are flights from DEN to PSP on time?

76% of 2,026 scheduled flights from Denver, CO to Palm Springs, CA arrived within 15 minutes of schedule between September 2025 and August 2026. 0.5% were cancelled.

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

Flights scheduled to leave at 7 a.m. were the most reliable (93% on time). The 8 p.m. departures were the least (50%).

Which airline is most on time from DEN to PSP?

United Airlines: 79% of its 1,455 flights on the route arrived on time. Southwest Airlines: 67%.

What month has the most delays from DEN to PSP?

June (67% on time). The best month is October (86%), over 2023–2026.

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

Not much. Each airline's last DEN–PSP flight of the day was cancelled 0.6% 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.