Flight OddsDL5638 PIT → BOS
Delta Air Lines · Pittsburgh, PA to Boston, MA · 27 flights observed, 2025-07-06 to 2025-09-10 · 496 mi
DL5638 covers more than one route in the data window — the stats below are for PIT → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
46%
Median delay
+25 min
90th percentile
+75 min
Cancellation rate
4%
How often is DL5638 on time?
Across 27 flights on PIT → BOS from 2025-07-06 to 2025-09-10, DL5638 arrived within 15 minutes of schedule 46% of the time. The median arrival delay was +25 min, and the worst 10% of flights arrived +75 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 12 | 46% |
| 16-30 min | 1 | 4% |
| 31-60 min | 9 | 35% |
| 61-120 min | 3 | 12% |
| 2+ hrs | 1 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 1 | 100% | -29 min |
| 2025-08 | 16 | 63% | +6 min |
| 2025-09 | 9 | 11% | +57 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 5 | 40% |
| Wed | 4 | 50% |
| Thu | 4 | 25% |
| Fri | 4 | 25% |
| Sat | No data | — |
| Sun | 4 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…