Flight OddsDL5731 BOS → PIT
Delta Air Lines · Boston, MA to Pittsburgh, PA · 158 flights observed, 2025-07-07 to 2026-06-30 · 496 mi
DL5731 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
91%
Median delay
-16 min
90th percentile
+12 min
Cancellation rate
0%
How often is DL5731 on time?
Across 158 flights on BOS → PIT from 2025-07-07 to 2026-06-30, DL5731 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +12 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 143 | 91% |
| 16-30 min | 5 | 3% |
| 31-60 min | 6 | 4% |
| 61-120 min | 4 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 22 | 91% | -11 min |
| 2025-08 | 21 | 90% | -7 min |
| 2025-09 | 15 | 87% | -11 min |
| 2025-10 | 22 | 77% | -2 min |
| 2025-11 | 5 | 100% | -8 min |
| 2026-04 | 15 | 93% | -17 min |
| 2026-05 | 31 | 100% | -14 min |
| 2026-06 | 27 | 89% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 27 | 89% |
| Tue | 27 | 93% |
| Wed | 26 | 92% |
| Thu | 26 | 81% |
| Fri | 24 | 100% |
| Sat | 17 | 94% |
| Sun | 11 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…