Flight Reliability
B6 257 · JetBlue Airways
Boston → Bozeman (BOS–BZN)99% of its flights flew this route. The rest (PVD–FLL) are included in these numbers.
70
Usually Fine
WanderNerd Reliability Score
- 73%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 2.8%
- Cancelled
- 4 min
- Median arrival delay
Based on 145 historical flights. Data through May 2026.
What the data says
Saturdays have been rough.
B6 257 arrived on time 94% of the time on Tuesdays and just 55% on Saturdays. That gap is worth planning around.
The breakdown
- Mon76%(21 flights)
- Tue94%(17 flights)
- Wed79%(19 flights)
- Thu65%(20 flights)
- Fri71%(21 flights)
- Sat55%(22 flights)
- Sun76%(21 flights)
- 6–9 AM72%(137 flights)
- 9 AM–12 PM—(3 flights)
- 12–3 PM—(1 flights)
50%
Mar
Jun 82% → Mar 50% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 82% | 22 |
| July 2025 | 74% | 31 |
| August 2025 | 97% | 30 |
| February 2026 | 67% | 15 |
| March 2026 | 50% | 30 |
- Departures on time
- 88%
- Diverted
- 0%
- Flights flown
- 141
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 145 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.