Flight OddsDL2804 BOS → ORD
Delta Air Lines · Boston, MA to Chicago, IL · 78 flights observed, 2026-04-13 to 2026-06-30 · 867 mi
DL2804 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
51%
Median delay
+13 min
90th percentile
+114 min
Cancellation rate
4%
How often is DL2804 on time?
Across 78 flights on BOS → ORD from 2026-04-13 to 2026-06-30, DL2804 arrived within 15 minutes of schedule 51% of the time. The median arrival delay was +13 min, and the worst 10% of flights arrived +114 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 | 38 | 51% |
| 16-30 min | 9 | 12% |
| 31-60 min | 10 | 13% |
| 61-120 min | 11 | 15% |
| 2+ hrs | 7 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 16 | 38% | +54 min |
| 2026-05 | 30 | 57% | +18 min |
| 2026-06 | 29 | 52% | +39 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 40% |
| Tue | 12 | 58% |
| Wed | 11 | 45% |
| Thu | 11 | 27% |
| Fri | 10 | 90% |
| Sat | 10 | 60% |
| Sun | 11 | 36% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…