Flight Reliability
B6 134 · JetBlue Airways
San Francisco → Boston (SFO–BOS)
82
Pretty Reliable
WanderNerd Reliability Score
- 77%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 0.6%
- Cancelled
- 6 min early
- Median arrival delay
Based on 156 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
B6 134 departing between 6–9 PM arrived on time 100% of the time, versus 75% between 9 PM–12 AM.
Thursdays have been rough.
B6 134 arrived on time 91% of the time on Tuesdays and just 61% on Thursdays. That gap is worth planning around.
A bit ahead of the JetBlue Airways network.
B6 134 arrived on time 77% of the time, versus 73% across the JetBlue Airways network.
The breakdown
- Mon82%(22 flights)
- Tue91%(21 flights)
- Wed86%(22 flights)
- Thu61%(23 flights)
- Fri74%(23 flights)
- Sat67%(21 flights)
- Sun78%(23 flights)
- 6–9 PM100%(11 flights)
- 9 PM–12 AM75%(144 flights)
84%
Oct
Jun 83% → Oct 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 83% | 30 |
| July 2025 | 57% | 30 |
| August 2025 | 84% | 31 |
| September 2025 | 90% | 30 |
| October 2025 | 84% | 25 |
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 155
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 156 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.