Flight OddsDL5852 PHL → BOS
Delta Air Lines · Philadelphia, PA to Boston, MA · 143 flights observed, 2025-07-01 to 2025-12-19 · 280 mi
DL5852 covers more than one route in the data window — the stats below are for PHL → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
54%
Median delay
+10 min
90th percentile
+119 min
Cancellation rate
6%
How often is DL5852 on time?
Across 143 flights on PHL → BOS from 2025-07-01 to 2025-12-19, DL5852 arrived within 15 minutes of schedule 54% of the time. The median arrival delay was +10 min, and the worst 10% of flights arrived +119 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 72 | 54% |
| 16-30 min | 6 | 4% |
| 31-60 min | 12 | 9% |
| 61-120 min | 32 | 24% |
| 2+ hrs | 12 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 21 | 52% | +58 min |
| 2025-08 | 24 | 79% | +7 min |
| 2025-09 | 24 | 17% | +69 min |
| 2025-10 | 25 | 32% | +62 min |
| 2025-11 | 23 | 78% | +19 min |
| 2025-12 | 17 | 71% | +13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 23 | 57% |
| Tue | 24 | 50% |
| Wed | 22 | 59% |
| Thu | 21 | 52% |
| Fri | 22 | 55% |
| Sat | 1 | 100% |
| Sun | 21 | 48% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…