Best Time to Fly PSP to ORD: On-Time Stats by Hour & Airline
Palm Springs International → Chicago O'Hare International
Data through July 2026 · Last updated October 18, 2026
787 flights were scheduled from Palm Springs (PSP) to Chicago (ORD) in the last 12 months, and 75.1% of those that flew arrived on time, 2.5 points below the US average of 77.6%.
Among 2 airlines, United Airlines led with 80.7% on time and American Airlines was last with 70.9%.
Over 24 months, Thursday was the most reliable day (82% on time) and March the worst month (66%).
The cancellation rate was 2.5% (US average 1.8%).
PSP to ORD 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 | 80.7% | 106 min | 1.8% | 336 |
| American Airlines | 70.9% | 107 min | 3.1% | 451 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PSP to ORD
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 | 83.8% | 3.7% | 162 |
| 7am–8am | 85.4% | 0.9% | 106 |
| 10am–11am | 87.5% | 2.4% | 41 |
| 11am–12pm | 81.4% | 0.5% | 593 |
| 12pm–1pm | 86.2% | 0.8% | 118 |
| 1pm–2pm | 73.0% | 0.0% | 167 |
| 2pm–3pm | 49.3% | 2.5% | 79 |
| 3pm–4pm | 69.2% | 7.1% | 56 |
| 10pm–11pm | Limited data | 1 | |
| 11pm–12am | 77.8% | 5.3% | 57 |
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 ORD
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) | 67.5% | -11.8 pts | 4.8% | 42 |
| Christmas & New Year (Dec 20 - Jan 3) | 81.5% | +2.2 pts | 4.4% | 113 |
| All other days | 79.3% | — | 1.1% | 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).