Flight OddsDL2646 ORD → BOS
Delta Air Lines · Chicago, IL to Boston, MA · 162 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 ORD → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
64%
Median delay
-1 min
90th percentile
+105 min
Cancellation rate
9%
How often is DL2646 on time?
Across 162 flights on ORD → BOS from 2025-07-01 to 2026-06-28, DL2646 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +105 min or later. 9% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 94 | 64% |
| 16-30 min | 12 | 8% |
| 31-60 min | 12 | 8% |
| 61-120 min | 16 | 11% |
| 2+ hrs | 14 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 24 | 50% | +39 min |
| 2025-08 | 24 | 71% | +50 min |
| 2025-09 | 8 | 63% | +10 min |
| 2026-03 | 16 | 69% | +24 min |
| 2026-04 | 24 | 71% | +6 min |
| 2026-05 | 29 | 69% | +16 min |
| 2026-06 | 23 | 52% | +30 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 23 | 57% |
| Tue | 26 | 81% |
| Wed | 24 | 63% |
| Thu | 21 | 52% |
| Fri | 25 | 72% |
| Sat | 7 | 71% |
| Sun | 22 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…