Historical on-time performance
Windsor Locks to San Juan
Flights on BDL–SJU arrive on time 64% of the time over the last 12 months.
based on 788 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.
- JetBlue AirwaysOn-time64%Medianon timep9075 minCancel1.7%Flights727
- Frontier AirlinesOn-time57%Medianon timep9075 minCancel3.3%Flights61
Why flights run late
Delay causes
- Airline33%
- Weather0%
- Air traffic (NAS)19%
- Late aircraft48%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline14%
- Weather64%
- Air traffic (NAS)21%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 14 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 BDL → SJU
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 — 71% on time.
- Mornings71% on time · p90 45 min · 499 flights
- Afternoons65% on time · p90 90 min · 516 flights
- Middays60% on time · p90 70 min · 575 flights
- Evenings53% on time · p90 110 min · 571 flights
- Overnights53% on time · p90 110 min · 831 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 58% to 61% on time.
- Fridays61% on time · p90 75 min · 423 flights
- Wednesdays61% on time · p90 100 min · 385 flights
- Mondays60% on time · p90 90 min · 421 flights
- Sundays59% on time · p90 85 min · 460 flights
- Saturdays59% on time · p90 95 min · 423 flights
- Thursdays58% on time · p90 85 min · 457 flights
- Tuesdays58% on time · p90 85 min · 423 flights
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