Flight OddsB6311 BOS → ORD
JetBlue Airways · Boston, MA to Chicago, IL · 285 flights observed, 2025-07-01 to 2026-06-30 · 867 mi
On-time arrival
85%
Median delay
-9 min
90th percentile
+30 min
Cancellation rate
1%
How often is B6311 on time?
Across 285 flights on BOS → ORD from 2025-07-01 to 2026-06-30, B6311 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +30 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 | 237 | 85% |
| 16-30 min | 15 | 5% |
| 31-60 min | 14 | 5% |
| 61-120 min | 10 | 4% |
| 2+ hrs | 4 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 97% | -9 min |
| 2025-08 | 31 | 87% | -2 min |
| 2025-09 | 30 | 87% | 0 min |
| 2025-10 | 31 | 87% | -10 min |
| 2025-11 | 26 | 77% | 0 min |
| 2025-12 | 16 | 75% | +31 min |
| 2026-02 | 15 | 67% | +2 min |
| 2026-03 | 29 | 76% | +6 min |
| 2026-04 | 22 | 91% | -6 min |
| 2026-05 | 21 | 90% | +2 min |
| 2026-06 | 29 | 86% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 41 | 88% |
| Tue | 37 | 84% |
| Wed | 37 | 95% |
| Thu | 43 | 84% |
| Fri | 42 | 83% |
| Sat | 37 | 81% |
| Sun | 43 | 79% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…