Historical on-time performance
San Juan to Windsor Locks
Flights on SJU–BDL arrive on time 69% of the time over the last 12 months.
based on 787 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.
- Frontier AirlinesOn-time77%Medianon timep9040 minCancel0.0%Flights61
- JetBlue AirwaysOn-time69%Medianon timep9065 minCancel1.9%Flights726
Why flights run late
Delay causes
- Airline41%
- Weather1%
- Air traffic (NAS)20%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline7%
- Weather64%
- Air traffic (NAS)29%
- 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 SJU → 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 55% to 76% on time.
- Mornings76% on time · p90 30 min · 735 flights
- Early mornings72% on time · p90 65 min · 390 flights
- Middays64% on time · p90 65 min · 296 flights
- Overnights60% on time · p90 90 min · 156 flights · limited
- Evenings56% on time · p90 90 min · 462 flights
- Afternoons55% on time · p90 95 min · 952 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 61% to 67% on time.
- Wednesdays67% on time · p90 75 min · 384 flights
- Thursdays65% on time · p90 65 min · 455 flights
- Mondays64% on time · p90 75 min · 420 flights
- Sundays64% on time · p90 85 min · 462 flights
- Tuesdays63% on time · p90 75 min · 425 flights
- Saturdays62% on time · p90 85 min · 422 flights
- Fridays61% on time · p90 85 min · 423 flights
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