Historical on-time performance
San Juan to Washington
1,554 miData through Dec 2025Source: US DOT · BTS
Flights on SJU–DCA arrive on time 69% of the time over the last 12 months.
On-time rate69%arrived within 15 min
p90 delay70 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights
based on 337 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- JetBlue AirwaysOn-time69%Medianon timep9070 minCancel0.3%Flights337
Why flights run late
Delay causes
- Airline28%
- Weather1%
- Air traffic (NAS)17%
- Late aircraft54%
- 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 SJU → DCA
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best day of week
On-time rates are fairly even by day on this route — ranging from 57% to 67% on time.
- Tuesdays67% on time · p90 55 min · 157 flights · limited
- Wednesdays66% on time · p90 65 min · 157 flights · limited
- Saturdays65% on time · p90 85 min · 156 flights · limited
- Mondays62% on time · p90 110 min · 157 flights · limited
- Fridays62% on time · p90 80 min · 156 flights · limited
- Thursdays61% on time · p90 90 min · 156 flights · limited
- Sundays57% on time · p90 110 min · 157 flights · limited
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