Flight OddsPHL → BOS Delta Air Lines
Delta Air Lines · Philadelphia, PA to Boston, MA · 1,200 flights, 2025-07-01 to 2026-06-30 · aggregated across 7 flight numbers
On-time arrival
81%
Median delay
-11 min
90th percentile
+58 min
Cancellation rate
3%
How on-time is Delta Air Lines from PHL to BOS?
Across every Delta Air Lines flight number on PHL → BOS (1,200 flights, 2025-07-01 to 2026-06-30), 81% arrived within 15 minutes of schedule. Median arrival delay -11 min; the worst 10% ran +58 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 942 | 81% |
| 16-30 min | 47 | 4% |
| 31-60 min | 64 | 6% |
| 61-120 min | 78 | 7% |
| 2+ hrs | 32 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 101 | 78% | +17 min |
| 2025-08 | 104 | 86% | -2 min |
| 2025-09 | 96 | 65% | +17 min |
| 2025-10 | 105 | 65% | +24 min |
| 2025-11 | 94 | 90% | -4 min |
| 2025-12 | 90 | 79% | +5 min |
| 2026-01 | 74 | 85% | -2 min |
| 2026-02 | 72 | 89% | +0 min |
| 2026-03 | 87 | 83% | +5 min |
| 2026-04 | 100 | 84% | -5 min |
| 2026-05 | 111 | 86% | -6 min |
| 2026-06 | 129 | 84% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 175 | 80% |
| Tue | 184 | 82% |
| Wed | 180 | 83% |
| Thu | 175 | 78% |
| Fri | 181 | 78% |
| Sat | 114 | 92% |
| Sun | 154 | 79% |
DL flight numbers on PHL → BOS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…