Historical on-time performance
Atlanta to Windsor Locks
859 miData through May 2026Source: US DOT · BTS
Flights on ATL–BDL arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled2.1%of scheduled flights
based on 2,213 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time75%Medianon timep9045 minCancel2.1%Flights2,213
Why flights run late
Delay causes
- Airline52%
- Weather8%
- Air traffic (NAS)17%
- Late aircraft23%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline48%
- Weather50%
- Air traffic (NAS)2%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 46 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 ATL → BDL
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 — 86% on time.
- Mornings86% on time · p90 20 min · 1,381 flights
- Middays83% on time · p90 25 min · 1,770 flights
- Afternoons76% on time · p90 40 min · 1,080 flights
- Overnights75% on time · p90 45 min · 1,209 flights
- Evenings74% on time · p90 50 min · 1,101 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 84% on time.
- Wednesdays84% on time · p90 25 min · 879 flights
- Thursdays83% on time · p90 30 min · 1,011 flights
- Tuesdays83% on time · p90 30 min · 886 flights
- Saturdays82% on time · p90 35 min · 785 flights
- Mondays76% on time · p90 40 min · 987 flights
- Fridays75% on time · p90 40 min · 987 flights
- Sundays74% on time · p90 45 min · 1,006 flights
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