Best Time to Fly ORD to RNO: On-Time Stats by Hour & Airline
Chicago O'Hare International → Reno/Tahoe International
Data through July 2026 · Last updated October 18, 2026
363 flights were scheduled from Chicago (ORD) to Reno (RNO) in the last 12 months, and 63.6% of those that flew arrived on time, 14.0 points below the US average of 77.6%.
United Airlines was the only reporting airline with regular flights on this route.
September has been the best month (79% on time) and Thursday the weakest day of the week (48%).
1.6% of flights were cancelled, versus 1.8% nationally.
ORD to RNO 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 | 63.6% | 80 min | 1.6% | 363 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to RNO
On-time arrival % by scheduled departure hour (local time), 760 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | Limited data | 1 | |
| 12pm–1pm | Limited data | 24 | |
| 1pm–2pm | Limited data | 6 | |
| 3pm–4pm | 69.2% | 0.0% | 52 |
| 4pm–5pm | 66.2% | 0.0% | 151 |
| 6pm–7pm | Limited data | 3 | |
| 7pm–8pm | 61.8% | 1.4% | 357 |
| 8pm–9pm | 54.0% | 1.8% | 165 |
| 9pm–10pm | Limited data | 1 | |
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 RNO
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) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 25 | ||
| Summer peak (Jun 15 - Aug 15) | 45.5% | -21.5 pts | 2.9% | 139 |
| All other days | 67.1% | — | 0.7% | 582 |
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).