Historical on-time performance
Tampa to San Juan
1,237 miData through Dec 2025Source: US DOT · BTS
Flights on TPA–SJU arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 1,357 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Frontier AirlinesOn-time70%Medianon timep9070 minCancel1.1%Flights265
- JetBlue AirwaysbestOn-time80%Medianon timep9045 minCancel0.3%Flights622
- Southwest AirlinesOn-time73%Medianon timep9045 minCancel0.0%Flights470
Why flights run late
Delay causes
- Airline34%
- Weather3%
- Air traffic (NAS)10%
- Late aircraft53%
- 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 TPA → SJU
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 90% on time.
- Mornings90% on time · p90 10 min · 1,703 flights
- Middays75% on time · p90 40 min · 1,010 flights
- Afternoons70% on time · p90 65 min · 638 flights
- Evenings64% on time · p90 90 min · 405 flights
- Overnights60% on time · p90 85 min · 855 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 81% on time.
- Tuesdays81% on time · p90 35 min · 603 flights
- Wednesdays78% on time · p90 45 min · 594 flights
- Mondays76% on time · p90 45 min · 659 flights
- Thursdays75% on time · p90 45 min · 655 flights
- Sundays75% on time · p90 60 min · 737 flights
- Fridays75% on time · p90 45 min · 652 flights
- Saturdays74% on time · p90 50 min · 756 flights
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