Best Time to Fly RNO to ORD: On-Time Stats by Hour & Airline
Reno/Tahoe International → Chicago O'Hare International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 79.3% of Reno (RNO) to Chicago (ORD) flights arrived on time (363 scheduled flights). That is 1.6 points above the national average of 77.6%.
United Airlines was the only reporting airline with regular flights on this route.
April has been the best month (90% on time) and Friday the weakest day of the week (76%).
2.2% of flights were cancelled, versus 1.8% nationally.
RNO 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 | 79.3% | 55 min | 2.2% | 363 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly RNO to ORD
On-time arrival % by scheduled departure hour (local time), 762 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 80.8% | 1.6% | 565 |
| 9am–10am | 77.3% | 0.0% | 44 |
| 10am–11am | 85.7% | 0.0% | 42 |
| 11am–12pm | Limited data | 4 | |
| 11pm–12am | 75.0% | 2.8% | 107 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on RNO 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) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 25 | ||
| Summer peak (Jun 15 - Aug 15) | 76.7% | -5.1 pts | 3.6% | 139 |
| All other days | 81.8% | — | 1.0% | 584 |
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).