Chicago (ORD) to Reno (RNO): On-Time Performance
Data through July 2026
Chicago (ORD) to Reno (RNO) is a thinner route than most in this dataset — 363 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 61% arrived on time, noticeably below the national average of 78%.
- On-time
- 61%
- arrived <15 min late
- Avg delay
- 28 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 0.99
- last 12 months
- Duration
- 4h 25m
- scheduled
- Distance
- 1,671 mi
Best airline from ORD to RNO
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 63% | 28 min | 1.1% | 756 |
| American Airlines | 40% | 29 min | 3.1% | 64 |
Monthly on-time trend
Best time to fly from ORD to RNO
Aim for departures around 3 p.m. (69% on-time); avoid 8 p.m. departures (51%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 61% | 27 min |
| Tuesdaybest | 74% | 19 min |
| Wednesday | 63% | 25 min |
| Thursday | 49% | 40 min |
| Friday | 60% | 32 min |
| Saturday | 59% | 33 min |
| Sunday | 61% | 23 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft52%
- Airline operations26%
- National airspace system15%
- Weather7%
Frequently asked questions
- How often are flights from ORD to RNO delayed?
- 39% of ORD–RNO flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 28 minutes.
- Which airline is most reliable from ORD to RNO?
- United Airlines has the best on-time record on this route at 63%, based on 756 flights. 2 airlines flew ORD–RNO frequently enough to compare in this period.
- What is the best time of day to fly from ORD to RNO?
- Departures around 3 p.m. have the best record (69% on-time), while departures around 8 p.m. have the worst (51%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to RNO?
- The scheduled ORD–RNO flight time averages 4h 25m over 1,671 miles. Actual arrival times vary — flights on this route land 15+ minutes late 39% of the time.
- How often are ORD to RNO flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from ORD to RNO?
- June 2025 was the roughest month in this dataset, with only 40% of arrivals on time. The best was September 2024 at 91%. If your dates are flexible, that 51-point gap is worth planning around.
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Based on 820 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.