Flight Reliability
B6 1387 · JetBlue Airways
Boston → Los Angeles (BOS–LAX)
71
Usually Fine
WanderNerd Reliability Score
- 69%
- Arrive within 15 minutes
- 14 min
- Average arrival delay
- 0.9%
- Cancelled
- 4 min early
- Median arrival delay
Based on 116 historical flights. Data through May 2026.
What the data says
6–9 PM has a slight edge.
Departures between 6–9 PM arrived on time 74% of the time, against 67% between 9 PM–12 AM.
Thursdays have been rough.
B6 1387 arrived on time 82% of the time on Tuesdays and just 50% on Thursdays. That gap is worth planning around.
Lagging the BOS–LAX route.
B6 1387 arrived on time 69% of the time, versus 77% across the BOS–LAX route.
A bit behind the JetBlue Airways network.
B6 1387 arrived on time 69% of the time, versus 73% across the JetBlue Airways network.
The breakdown
- Mon53%(17 flights)
- Tue82%(17 flights)
- Wed71%(17 flights)
- Thu50%(16 flights)
- Fri81%(16 flights)
- Sat69%(16 flights)
- Sun75%(16 flights)
- 6–9 PM74%(34 flights)
- 9 PM–12 AM67%(81 flights)
75%
May
Jun 67% → May 75% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 67% | 30 |
| July 2025 | 53% | 30 |
| August 2025 | 81% | 31 |
| May 2026 | 75% | 20 |
- Departures on time
- 57%
- Diverted
- 0%
- Flights flown
- 115
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 116 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.