Historical on-time performance
Chicago to Reno
1,671 miData through May 2026Source: US DOT · BTS
Flights on ORD–RNO arrive on time 60% of the time over the last 12 months.
On-time rate60%arrived within 15 min
p90 delay100 min1 in 10 flights is worse (tail risk)
Cancelled1.6%of scheduled flights
based on 306 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time60%Medianon timep90100 minCancel1.6%Flights306
Why flights run late
Delay causes
- Airline29%
- Weather4%
- Air traffic (NAS)14%
- Late aircraft52%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 5 cancellations with a reported cause (BTS reports causes from June 2003).
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 (2023-06 .. 2026-05).
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 70 min · 203 flights
- Evenings60% on time · p90 90 min · 554 flights
- Overnights53% on time · p90 65 min · 243 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 51% to 69% on time.
- Tuesdays69% on time · p90 50 min · 141 flights · limited
- Saturdays62% on time · p90 70 min · 159 flights · limited
- Fridays61% on time · p90 85 min · 158 flights · limited
- Wednesdays61% on time · p90 70 min · 141 flights · limited
- Sundays60% on time · p90 65 min · 144 flights · limited
- Mondays58% on time · p90 85 min · 144 flights · limited
- Thursdays51% on time · p90 90 min · 144 flights · limited
Keep exploring