Route on-time record

PSP to DEN: most on-time flights and the best time to fly

Palm Springs (Palm Springs International Airport) to Denver (Denver International Airport). 2,047 nonstop flights in Jun 2025 to May 2026, 81% arrived within 15 minutes and 0.8% were cancelled. The most reliable flight number was SkyWest 5411 at 5:30 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

PSP → DEN

Palm Springs to Denver: 2,047 nonstop flights a year

On time (12 months)

81%

Cancelled

0.8%

avg delay 16 min

Best time to leave

Before 9 AM

91% on time vs 70% 3 to 6 PM

Most reliable airline

SkyWest

86% chance on time

Check PSP to DEN fares

Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

#1 · SkyWest 5411 · sold as United Express, Delta Connection, American Eagle or Alaska
5:30 AM → 8:52 AM2h 22m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as SkyWest 5941; its record covers all of them.
96%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
0 min
- Arrived on time 100% of the time (32 flights, Jun 2025 to May 2026).
- Never cancelled in 32 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 91% on time; 3 to 6 PM: 70%).
- Short track record (32 flights), so its score leans on the airline's record at this hour.
Limited track record · 32 flights
Find 5:30 AM flight fares Opens this date on Aviasales
#2 · SkyWest 5617 · sold as United Express, Delta Connection, American Eagle or Alaska
9:15 AM → 12:38 PM2h 23m nonstop
Local times, typical schedule. Last flown 2026-05-20.
90%
chance on time
On time (history)
90%
Cancelled
0.0%
Avg arrival delay
8 min
- Arrived on time 90% of the time (77 flights, Jun 2025 to May 2026).
- Never cancelled in 77 scheduled flights.
Moderate track record · 77 flights
Find 9:15 AM flight fares Opens this date on Aviasales
#3 · SkyWest 5418 · sold as United Express, Delta Connection, American Eagle or Alaska
11:00 AM → 2:23 PM2h 23m nonstop
Local times, typical schedule. Last flown 2026-05-20.
89%
chance on time
On time (history)
90%
Cancelled
0.0%
Avg arrival delay
8 min
- Arrived on time 90% of the time (21 flights, Jun 2025 to May 2026).
- Lands inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (21 flights), so its score leans on the airline's record at this hour.
Limited track record · 21 flights
Find 11:00 AM flight fares Opens this date on Aviasales
#4 · SkyWest 5447 · sold as United Express, Delta Connection, American Eagle or Alaska
10:15 AM → 1:38 PM2h 23m nonstop
Local times, typical schedule. Last flown 2026-04-29.
86%
chance on time
On time (history)
86%
Cancelled
0.0%
Avg arrival delay
6 min
- Arrived on time 86% of the time (29 flights, Jun 2025 to May 2026).
- Short track record (29 flights), so its score leans on the airline's record at this hour.
Limited track record · 29 flights
Find 10:15 AM flight fares Opens this date on Aviasales
#5 · SkyWest 4799 · sold as United Express, Delta Connection, American Eagle or Alaska
4:14 PM → 7:36 PM2h 22m nonstop
Local times, typical schedule. Last flown 2026-04-29.
86%
chance on time
On time (history)
90%
Cancelled
0.0%
Avg arrival delay
4 min
- Arrived on time 90% of the time (29 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (3 to 6 PM: 70% on time; Before 9 AM: 91%).
- Lands inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (29 flights), so its score leans on the airline's record at this hour.
Limited track record · 29 flights
Find 4:14 PM flight fares Opens this date on Aviasales
#6 · Southwest 1483
9:50 AM → 1:00 PM2h 10m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
0 min
- Arrived on time 100% of the time (8 flights, Jun 2025 to May 2026).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 1483 fares Opens this date on Aviasales
#7 · Southwest 1340
6:30 AM → 9:40 AM2h 10m nonstop
Local times, typical schedule. Last flown 2026-05-30. Same departure also flew as Southwest 1549; its record covers all of them.
85%
chance on time
On time (history)
87%
Cancelled
1.3%
Avg arrival delay
4 min
- Arrived on time 87% of the time (79 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 91% on time; 3 to 6 PM: 70%).
Moderate track record · 79 flights
Find Southwest 1340 fares Opens this date on Aviasales
#8 · United 1010
5:15 AM → 8:23 AM2h 08m nonstop
Local times, typical schedule. Last flown 2026-04-29. Same departure also flew as United 2390; its record covers all of them.
85%
chance on time
On time (history)
84%
Cancelled
1.8%
Avg arrival delay
9 min
- Arrived on time 84% of the time (55 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 91% on time; 3 to 6 PM: 70%).
- Short track record (55 flights), so its score leans on the airline's record at this hour.
Limited track record · 55 flights
Find United 1010 fares Opens this date on Aviasales
#9 · United 2421
10:25 AM → 1:33 PM2h 08m nonstop
Local times, typical schedule. Last flown 2026-03-28.
81%
chance on time
On time (history)
79%
Cancelled
0.0%
Avg arrival delay
25 min
- Arrived on time 79% of the time (24 flights, Jun 2025 to May 2026).
- 53% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (24 flights), so its score leans on the airline's record at this hour.
Limited track record · 24 flights
Find United 2421 fares Opens this date on Aviasales
#10 · United 1552
4:27 PM → 7:39 PM2h 12m nonstop
Local times, typical schedule. Last flown 2026-03-28.
79%
chance on time
On time (history)
83%
Cancelled
0.0%
Avg arrival delay
19 min
- Arrived on time 83% of the time (24 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (3 to 6 PM: 70% on time; Before 9 AM: 91%).
- Lands inside DEN's trouble window: 79% of its 174 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (24 flights), so its score leans on the airline's record at this hour.
Limited track record · 24 flights
Find United 1552 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)86%
577 flights · 88% on time as flown · 0.6% cancel
Frontier Airlines82%
55 flights · 84% on time as flown · 0.6% cancel
United Airlines78%
871 flights · 79% on time as flown · 1.2% cancel
Southwest Airlines76%
544 flights · 76% on time as flown · 0.6% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

Before 9 AM91%
485 flights · avg delay 7 min
9 AM to noon87%
676 flights · avg delay 14 min
Noon to 3 PM72%
508 flights · avg delay 24 min
3 to 6 PM70%
376 flights · avg delay 20 min

Best day: Wednesday (87%). Worst: Monday (81%).

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

What delays this route

Air traffic control and airport volume36%
Late-arriving aircraft31%
Airline (crew, maintenance, boarding)29%
Severe weather4%

Share of delay minutes by the cause airlines report to the US DOT.

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure

PSP to DEN questions

What time of day is best to fly PSP to DEN?: Before 9 AM: 91% of flights arrived on time, against 70% for departures 3 to 6 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
Which airline is most on time from PSP to DEN?: SkyWest, with a season-adjusted 86% chance of operating and arriving on time over 577 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on PSP to DEN?: May (76% on time); the best was October (89%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?: No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

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