Flight OddsDL5858 BOS → ORD
Delta Air Lines · Boston, MA to Chicago, IL · 85 flights observed, 2026-01-05 to 2026-04-11 · 867 mi
DL5858 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
66%
Median delay
+1 min
90th percentile
+63 min
Cancellation rate
11%
How often is DL5858 on time?
Across 85 flights on BOS → ORD from 2026-01-05 to 2026-04-11, DL5858 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +63 min or later. 11% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 50 | 66% |
| 16-30 min | 8 | 11% |
| 31-60 min | 9 | 12% |
| 61-120 min | 6 | 8% |
| 2+ hrs | 3 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 20 | 70% | +2 min |
| 2026-02 | 20 | 65% | +4 min |
| 2026-03 | 26 | 58% | +44 min |
| 2026-04 | 10 | 80% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 64% |
| Tue | 13 | 62% |
| Wed | 14 | 79% |
| Thu | 13 | 77% |
| Fri | 13 | 54% |
| Sat | 5 | 80% |
| Sun | 7 | 43% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…