Historical on-time performance
San Juan to Dallas-Fort Worth
Flights on SJU–DFW arrive on time 79% of the time over the last 12 months.
based on 758 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.
- Spirit AirlinesOn-time84%Medianon timep9015 minCancel4.7%Flights107
- American AirlinesOn-time78%Medianon timep9035 minCancel1.8%Flights651
Why flights run late
Delay causes
- Airline35%
- Weather2%
- Air traffic (NAS)15%
- Late aircraft48%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline12%
- Weather65%
- Air traffic (NAS)24%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 17 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 → DFW
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 62% to 85% on time.
- Early mornings85% on time · p90 30 min · 274 flights
- Mornings81% on time · p90 30 min · 833 flights
- Overnights77% on time · p90 50 min · 175 flights · limited
- Middays74% on time · p90 45 min · 318 flights
- Evenings66% on time · p90 65 min · 349 flights
- Afternoons62% on time · p90 55 min · 1,005 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 76% on time.
- Thursdays76% on time · p90 40 min · 432 flights
- Fridays75% on time · p90 45 min · 442 flights
- Tuesdays73% on time · p90 45 min · 377 flights
- Sundays73% on time · p90 45 min · 445 flights
- Mondays72% on time · p90 55 min · 441 flights
- Wednesdays69% on time · p90 50 min · 373 flights
- Saturdays66% on time · p90 50 min · 444 flights
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