Historical on-time performance
Wassau to Chicago
212 miData through May 2026Source: US DOT · BTS
Flights on CWA–ORD arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled3.2%of scheduled flights
based on 989 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirOn-time75%Medianon timep9060 minCancel3.2%Flights989
Why flights run late
Delay causes
- Airline18%
- Weather12%
- Air traffic (NAS)25%
- Late aircraft45%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather66%
- Air traffic (NAS)34%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 32 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 CWA → ORD
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 81% on time.
- Mornings81% on time · p90 35 min · 611 flights
- Middays73% on time · p90 70 min · 192 flights · limited
- Evenings63% on time · p90 70 min · 283 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 81% on time.
- Tuesdays81% on time · p90 50 min · 162 flights · limited
- Saturdays76% on time · p90 35 min · 162 flights · limited
- Sundays76% on time · p90 105 min · 166 flights · limited
- Fridays75% on time · p90 50 min · 166 flights · limited
- Mondays74% on time · p90 75 min · 167 flights · limited
- Thursdays73% on time · p90 45 min · 164 flights · limited
- Wednesdays72% on time · p90 60 min · 158 flights · limited
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