Historical on-time performance
San Juan to Raleigh-durham
1,433 miData through Dec 2025Source: US DOT · BTS
Flights on SJU–RDU arrive on time 80% of the time over the last 12 months.
On-time rate80%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 229 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- JetBlue AirwaysOn-time80%Medianon timep9045 minCancel0.4%Flights229
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 SJU → RDU
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 58% to 78% on time.
- Mornings78% on time · p90 35 min · 511 flights
- Evenings75% on time · p90 80 min · 144 flights · limited
- Middays73% on time · p90 55 min · 643 flights
- Afternoons58% on time · p90 85 min · 212 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 80% on time.
- Fridays80% on time · p90 40 min · 254 flights
- Wednesdays77% on time · p90 35 min · 186 flights · limited
- Sundays73% on time · p90 45 min · 222 flights
- Thursdays71% on time · p90 50 min · 215 flights
- Saturdays70% on time · p90 70 min · 223 flights
- Tuesdays69% on time · p90 75 min · 185 flights · limited
- Mondays67% on time · p90 70 min · 252 flights
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