Flight OddsDL5852 BOS → PHL
Delta Air Lines · Boston, MA to Philadelphia, PA · 160 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 BOS → PHL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-9 min
90th percentile
+49 min
Cancellation rate
1%
How often is DL5852 on time?
Across 160 flights on BOS → PHL from 2025-07-01 to 2025-12-19, DL5852 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +49 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 122 | 77% |
| 16-30 min | 11 | 7% |
| 31-60 min | 13 | 8% |
| 61-120 min | 8 | 5% |
| 2+ hrs | 4 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 61% | +14 min |
| 2025-08 | 31 | 90% | -10 min |
| 2025-09 | 29 | 72% | +7 min |
| 2025-10 | 28 | 61% | +33 min |
| 2025-11 | 23 | 91% | -6 min |
| 2025-12 | 19 | 95% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 23 | 70% |
| Tue | 23 | 83% |
| Wed | 23 | 78% |
| Thu | 20 | 75% |
| Fri | 23 | 70% |
| Sat | 24 | 88% |
| Sun | 22 | 77% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…