Flight OddsDL2646 BOS → ORD
Delta Air Lines · Boston, MA to Chicago, IL · 262 flights observed, 2025-07-01 to 2026-06-28 · 867 mi
DL2646 covers more than one route in the data window — the stats below are for BOS → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
60%
Median delay
+1 min
90th percentile
+96 min
Cancellation rate
4%
How often is DL2646 on time?
Across 262 flights on BOS → ORD from 2025-07-01 to 2026-06-28, DL2646 arrived within 15 minutes of schedule 60% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +96 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 149 | 60% |
| 16-30 min | 19 | 8% |
| 31-60 min | 37 | 15% |
| 61-120 min | 22 | 9% |
| 2+ hrs | 20 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 52% | +24 min |
| 2025-08 | 30 | 67% | +23 min |
| 2025-09 | 30 | 50% | +32 min |
| 2025-10 | 27 | 37% | +38 min |
| 2025-11 | 22 | 73% | +14 min |
| 2025-12 | 17 | 59% | +23 min |
| 2026-03 | 18 | 61% | +43 min |
| 2026-04 | 26 | 65% | +4 min |
| 2026-05 | 26 | 77% | +19 min |
| 2026-06 | 22 | 68% | +24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 35 | 51% |
| Tue | 39 | 67% |
| Wed | 37 | 54% |
| Thu | 33 | 64% |
| Fri | 40 | 73% |
| Sat | 27 | 59% |
| Sun | 36 | 53% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…