Flight Reliability
B6 653 · JetBlue Airways
Fort Lauderdale → San Juan (FLL–SJU)
20
Bring Snacks
WanderNerd Reliability Score
- 38%
- Arrive within 15 minutes
- 41 min
- Average arrival delay
- 2.7%
- Cancelled
- 29 min
- Median arrival delay
Based on 73 historical flights. Data through May 2026.
What the data says
The 3–6 PM departure wins.
B6 653 departing between 3–6 PM arrived on time 50% of the time, versus 36% between 9 PM–12 AM.
Sunday scaries are real for this one.
B6 653 arrived on time 50% of the time on Saturdays and just 8% on Sundays. That gap is worth planning around.
Well behind the FLL–SJU route.
B6 653 arrived on time 38% of the time, versus 69% across the FLL–SJU route.
Well behind the JetBlue Airways network.
B6 653 arrived on time 38% of the time, versus 73% across the JetBlue Airways network.
The breakdown
- Mon40%(10 flights)
- Tue—(8 flights)
- Wed—(9 flights)
- Thu27%(11 flights)
- Fri27%(11 flights)
- Sat50%(10 flights)
- Sun8%(12 flights)
- 3–6 PM50%(10 flights)
- 9 PM–12 AM36%(61 flights)
33%
Mar
Dec 31% → Mar 33% on time
| Month | On-time percentage | Flights |
|---|---|---|
| December 2025 | 31% | 13 |
| February 2026 | 59% | 17 |
| March 2026 | 33% | 30 |
- Departures on time
- 39%
- Diverted
- 0%
- Flights flown
- 71
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 73 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.