Best Time to Fly PSP to DEN: On-Time Stats by Hour & Airline
Palm Springs International → Denver International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 82.3% of Palm Springs (PSP) to Denver (DEN) flights arrived on time (2,027 scheduled flights). That is 4.6 points above the national average of 77.6%.
Among 4 airlines, SkyWest Airlines led with 87.8% on time and Southwest Airlines was last with 78.6%.
Over 24 months, Wednesday was the most reliable day (85% on time) and May the worst month (73%).
The cancellation rate was 0.8% (US average 1.8%).
PSP to DEN on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 87.8% | 109 min | 0.5% | 576 |
| Frontier Airlines | 82.0% | 146 min | 0.0% | 39 |
| United Airlines | 80.9% | 77 min | 1.1% | 870 |
| Southwest Airlines | 78.6% | 56 min | 0.6% | 542 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PSP to DEN
On-time arrival % by scheduled departure hour (local time), 4,046 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 91.2% | 0.3% | 779 |
| 6am–7am | 89.3% | 0.7% | 141 |
| 7am–8am | Limited data | 5 | |
| 8am–9am | 84.8% | 0.0% | 66 |
| 9am–10am | 86.7% | 0.3% | 567 |
| 10am–11am | 83.3% | 0.0% | 275 |
| 11am–12pm | 87.7% | 0.9% | 461 |
| 12pm–1pm | 77.0% | 1.3% | 150 |
| 1pm–2pm | 74.3% | 0.8% | 792 |
| 2pm–3pm | 81.6% | 2.0% | 50 |
| 3pm–4pm | 59.5% | 1.5% | 203 |
| 4pm–5pm | 78.5% | 1.1% | 541 |
| 6pm–7pm | Limited data | 11 | |
| 7pm–8pm | Limited data | 5 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PSP to DEN
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 90.9% | +8.4 pts | 0.0% | 88 |
| Christmas & New Year (Dec 20 - Jan 3) | 82.3% | -0.2 pts | 2.4% | 208 |
| Summer peak (Jun 15 - Aug 15) | 78.2% | -4.3 pts | 0.3% | 387 |
| All other days | 82.5% | — | 0.6% | 3,363 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).