Best Time to Fly ORD to FAT: On-Time Stats by Hour & Airline
Chicago O'Hare International → Fresno Yosemite International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 51.6% of Chicago (ORD) to Fresno (FAT) flights arrived on time (196 scheduled flights). That is 26.1 points below the national average of 77.6%.
United Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Saturday was the most reliable day (63% on time) and July the worst month (41%).
The cancellation rate was 2.0% (US average 1.8%).
ORD to FAT 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 | 51.6% | 64 min | 2.0% | 196 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to FAT
On-time arrival % by scheduled departure hour (local time), 360 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 1pm–2pm | Limited data | 3 | |
| 3pm–4pm | Limited data | 5 | |
| 7pm–8pm | 51.8% | 1.8% | 171 |
| 8pm–9pm | 51.7% | 1.7% | 181 |
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 FAT
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 24 | ||
| Summer peak (Jun 15 - Aug 15) | 46.2% | -9.2 pts | 3.2% | 123 |
| All other days | 55.5% | — | 0.9% | 213 |
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).