Flight OddsDelta Air Lines · West Palm Beach/Palm Beach, FL to Boston, MA · 130 flights observed, 2025-08-11 to 2025-12-19 · 1,197 mi
DL637 covers more than one route in the data window — the stats below are for PBI → BOS, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL637 on time?
Across 130 flights on PBI → BOS from 2025-08-11 to 2025-12-19, DL637 arrived within 15 minutes of schedule 58% of the time. The median arrival delay was +4 min, and the worst 10% of flights arrived +126 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 | 76 | 58% |
| 16-30 min | 9 | 7% |
| 31-60 min | 17 | 13% |
| 61-120 min | 14 | 11% |
| 2+ hrs | 14 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 21 | 76% | +35 min |
| 2025-09 | 30 | 57% | +58 min |
| 2025-10 | 31 | 55% | +35 min |
| 2025-11 | 29 | 48% | +31 min |
| 2025-12 | 19 | 63% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 19 | 53% |
| Tue | 19 | 53% |
| Wed | 19 | 58% |
| Thu | 18 | 72% |
| Fri | 19 | 68% |
| Sat | 18 | 78% |
| Sun | 18 | 28% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…