Flight OddsDL5623 BOS → PIT
Delta Air Lines · Boston, MA to Pittsburgh, PA · 144 flights observed, 2025-07-01 to 2025-12-19 · 496 mi
DL5623 covers more than one route in the data window — the stats below are for BOS → PIT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
59%
Median delay
+5 min
90th percentile
+114 min
Cancellation rate
4%
How often is DL5623 on time?
Across 144 flights on BOS → PIT from 2025-07-01 to 2025-12-19, DL5623 arrived within 15 minutes of schedule 59% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +114 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 | 81 | 59% |
| 16-30 min | 6 | 4% |
| 31-60 min | 19 | 14% |
| 61-120 min | 20 | 14% |
| 2+ hrs | 12 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 24 | 46% | +50 min |
| 2025-08 | 24 | 83% | +5 min |
| 2025-09 | 25 | 28% | +47 min |
| 2025-10 | 25 | 48% | +30 min |
| 2025-11 | 23 | 78% | +7 min |
| 2025-12 | 17 | 76% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 59% |
| Tue | 25 | 56% |
| Wed | 24 | 67% |
| Thu | 22 | 59% |
| Fri | 22 | 59% |
| Sat | 1 | 0% |
| Sun | 22 | 55% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…