Best Time to Fly ORD to PSP: On-Time Stats by Hour & Airline
Chicago O'Hare International → Palm Springs International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 69.5% of Chicago (ORD) to Palm Springs (PSP) flights arrived on time (787 scheduled flights). That is 8.1 points below the national average of 77.6%.
United Airlines was the most punctual of the 2 airlines on the route at 76.4%, while American Airlines trailed at 64.2%.
October has been the best month (87% on time) and Sunday the weakest day of the week (69%).
2.3% of flights were cancelled, versus 1.8% nationally.
ORD to PSP 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 |
|---|---|---|---|---|
| United Airlines | 76.4% | 66 min | 1.2% | 335 |
| American Airlines | 64.2% | 84 min | 3.1% | 451 |
| SkyWest Airlines | Limited data | 1 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to PSP
On-time arrival % by scheduled departure hour (local time), 1,380 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 1 | |
| 7am–8am | 71.0% | 1.6% | 63 |
| 8am–9am | 84.0% | 3.1% | 97 |
| 9am–10am | 82.9% | 0.3% | 582 |
| 10am–11am | 68.3% | 0.0% | 241 |
| 11am–12pm | Limited data | 18 | |
| 12pm–1pm | 72.3% | 1.5% | 66 |
| 1pm–2pm | Limited data | 17 | |
| 2pm–3pm | Limited data | 1 | |
| 3pm–4pm | Limited data | 19 | |
| 4pm–5pm | Limited data | 6 | |
| 7pm–8pm | 65.8% | 1.7% | 116 |
| 8pm–9pm | 72.2% | 2.7% | 37 |
| 9pm–10pm | 51.8% | 5.2% | 116 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ORD to PSP
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) | 61.5% | -14.4 pts | 7.1% | 42 |
| Christmas & New Year (Dec 20 - Jan 3) | 65.5% | -10.5 pts | 2.6% | 113 |
| All other days | 76.0% | — | 1.0% | 1,225 |
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).