Historical on-time performance
Washington to Windsor Locks
Flights on IAD–BDL arrive on time 84% of the time over the last 12 months.
based on 969 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- United AirlinesOn-time85%Medianon timep9020 minCancel1.3%Flights879
- Republic AirwaysOn-time78%Medianon timep9040 minCancel5.6%Flights90
Why flights run late
Delay causes
- Airline36%
- Weather9%
- Air traffic (NAS)16%
- Late aircraft40%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline19%
- Weather63%
- Air traffic (NAS)19%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 16 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 IAD → BDL
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 78% to 91% on time.
- Mornings91% on time · p90 10 min · 350 flights
- Middays89% on time · p90 10 min · 445 flights
- Evenings78% on time · p90 35 min · 731 flights
- Overnights78% on time · p90 35 min · 905 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 85% on time.
- Tuesdays85% on time · p90 30 min · 374 flights
- Saturdays83% on time · p90 20 min · 253 flights
- Wednesdays83% on time · p90 20 min · 376 flights
- Thursdays82% on time · p90 30 min · 367 flights
- Mondays81% on time · p90 25 min · 378 flights
- Fridays80% on time · p90 30 min · 376 flights
- Sundays79% on time · p90 30 min · 307 flights
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