Flight OddsB6434 SFO → BOS
JetBlue Airways · San Francisco, CA to Boston, MA · 319 flights observed, 2025-07-01 to 2026-06-30 · 2,704 mi
On-time arrival
86%
Median delay
-12 min
90th percentile
+29 min
Cancellation rate
1%
How often is B6434 on time?
Across 319 flights on SFO → BOS from 2025-07-01 to 2026-06-30, B6434 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +29 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 271 | 86% |
| 16-30 min | 14 | 4% |
| 31-60 min | 10 | 3% |
| 61-120 min | 11 | 3% |
| 2+ hrs | 9 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 94% | -12 min |
| 2025-08 | 23 | 91% | -5 min |
| 2025-09 | 26 | 85% | +11 min |
| 2025-10 | 27 | 74% | +14 min |
| 2025-11 | 24 | 79% | +2 min |
| 2025-12 | 27 | 70% | +23 min |
| 2026-01 | 24 | 92% | -17 min |
| 2026-02 | 22 | 100% | -22 min |
| 2026-03 | 27 | 89% | -12 min |
| 2026-04 | 26 | 85% | -2 min |
| 2026-05 | 28 | 86% | -2 min |
| 2026-06 | 30 | 90% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 88% |
| Tue | 49 | 82% |
| Wed | 48 | 85% |
| Thu | 51 | 78% |
| Fri | 52 | 92% |
| Sat | 15 | 87% |
| Sun | 50 | 90% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…