Historical on-time performance
Chicago to Reno
1,671 miData through Dec 2025Source: US DOT · BTS
Flights on ORD–RNO arrive on time 63% of the time over the last 12 months.
On-time rate63%arrived within 15 min
p90 delay85 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 307 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time63%Medianon timep9085 minCancel1.0%Flights307
Why flights run late
Delay causes
- Airline34%
- Weather2%
- Air traffic (NAS)10%
- Late aircraft55%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ORD → RNO
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 53% to 67% on time.
- Afternoons67% on time · p90 55 min · 153 flights · limited
- Evenings61% on time · p90 85 min · 510 flights
- Overnights53% on time · p90 65 min · 226 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 52% to 69% on time.
- Tuesdays69% on time · p90 50 min · 123 flights · limited
- Fridays63% on time · p90 85 min · 140 flights · limited
- Saturdays62% on time · p90 70 min · 141 flights · limited
- Wednesdays60% on time · p90 70 min · 123 flights · limited
- Sundays60% on time · p90 70 min · 125 flights · limited
- Mondays56% on time · p90 75 min · 126 flights · limited
- Thursdays52% on time · p90 90 min · 125 flights · limited
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