Flight OddsDelta Air Lines · New York, NY to West Palm Beach/Palm Beach, FL · 364 flights observed, 2025-07-01 to 2026-06-30 · 1,028 mi
DL1638 covers more than one route in the data window — the stats below are for JFK → PBI, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL1638 on time?
Across 364 flights on JFK → PBI from 2025-07-01 to 2026-06-30, DL1638 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +69 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 257 | 74% |
| 16-30 min | 23 | 7% |
| 31-60 min | 26 | 8% |
| 61-120 min | 25 | 7% |
| 2+ hrs | 15 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 79% | +8 min |
| 2025-08 | 29 | 72% | +4 min |
| 2025-09 | 30 | 77% | +7 min |
| 2025-10 | 30 | 67% | +13 min |
| 2025-11 | 28 | 71% | +23 min |
| 2025-12 | 28 | 68% | +23 min |
| 2026-01 | 30 | 73% | +8 min |
| 2026-02 | 26 | 73% | +6 min |
| 2026-03 | 29 | 72% | +14 min |
| 2026-04 | 29 | 72% | -4 min |
| 2026-05 | 30 | 83% | -3 min |
| 2026-06 | 28 | 82% | -13 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 73% |
| Tue | 51 | 71% |
| Wed | 51 | 82% |
| Thu | 49 | 73% |
| Fri | 51 | 76% |
| Sat | 47 | 83% |
| Sun | 48 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…