Historical on-time performance
Windsor Locks to Chicago
777 miData through Dec 2025Source: US DOT · BTS
Flights on BDL–MDW arrive on time 84% of the time over the last 12 months.
On-time rate84%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 739 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time84%Medianon timep9025 minCancel0.7%Flights739
Why flights run late
Delay causes
- Airline26%
- Weather7%
- Air traffic (NAS)25%
- Late aircraft42%
- 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 BDL → MDW
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 72% to 92% on time.
- Mornings92% on time · p90 5 min · 1,003 flights
- Middays90% on time · p90 10 min · 194 flights · limited
- Evenings72% on time · p90 50 min · 796 flights
- Overnights72% on time · p90 45 min · 170 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 88% on time.
- Tuesdays88% on time · p90 15 min · 331 flights
- Wednesdays87% on time · p90 15 min · 331 flights
- Mondays83% on time · p90 25 min · 350 flights
- Fridays82% on time · p90 35 min · 348 flights
- Sundays82% on time · p90 45 min · 296 flights
- Thursdays81% on time · p90 25 min · 346 flights
- Saturdays77% on time · p90 35 min · 203 flights
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