Flight OddsDL5633 ORD → BOS
Delta Air Lines · Chicago, IL to Boston, MA · 98 flights observed, 2026-01-05 to 2026-04-12 · 867 mi
DL5633 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
83%
Median delay
-6 min
90th percentile
+26 min
Cancellation rate
5%
How often is DL5633 on time?
Across 98 flights on ORD → BOS from 2026-01-05 to 2026-04-12, DL5633 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +26 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 77 | 83% |
| 16-30 min | 8 | 9% |
| 31-60 min | 2 | 2% |
| 61-120 min | 4 | 4% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 77% | +3 min |
| 2026-02 | 26 | 88% | -4 min |
| 2026-03 | 29 | 83% | +5 min |
| 2026-04 | 12 | 83% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 91% |
| Tue | 13 | 69% |
| Wed | 13 | 92% |
| Thu | 14 | 100% |
| Fri | 14 | 50% |
| Sat | 14 | 86% |
| Sun | 14 | 93% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…