Flight OddsBOS → PHL Delta Air Lines
Delta Air Lines · Boston, MA to Philadelphia, PA · 1,200 flights, 2025-07-01 to 2026-06-30 · aggregated across 7 flight numbers
On-time arrival
79%
Median delay
-10 min
90th percentile
+55 min
Cancellation rate
3%
How on-time is Delta Air Lines from BOS to PHL?
Across every Delta Air Lines flight number on BOS → PHL (1,200 flights, 2025-07-01 to 2026-06-30), 79% arrived within 15 minutes of schedule. Median arrival delay -10 min; the worst 10% ran +55 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 919 | 79% |
| 16-30 min | 66 | 6% |
| 31-60 min | 72 | 6% |
| 61-120 min | 75 | 6% |
| 2+ hrs | 31 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 100 | 73% | +9 min |
| 2025-08 | 104 | 88% | -7 min |
| 2025-09 | 98 | 68% | +10 min |
| 2025-10 | 105 | 70% | +15 min |
| 2025-11 | 93 | 89% | -4 min |
| 2025-12 | 90 | 83% | 0 min |
| 2026-01 | 76 | 83% | +8 min |
| 2026-02 | 70 | 83% | -1 min |
| 2026-03 | 87 | 71% | +11 min |
| 2026-04 | 100 | 80% | +1 min |
| 2026-05 | 111 | 80% | +1 min |
| 2026-06 | 129 | 81% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 176 | 77% |
| Tue | 186 | 78% |
| Wed | 180 | 85% |
| Thu | 173 | 75% |
| Fri | 180 | 78% |
| Sat | 116 | 88% |
| Sun | 152 | 75% |
DL flight numbers on BOS → PHL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…