Flight OddsDelta Air Lines · New York, NY to Salt Lake City, UT · 329 flights observed, 2025-07-01 to 2026-06-30 · 1,990 mi
DL863 covers more than one route in the data window — the stats below are for JFK → SLC, the one it has flown most recently. The others are linked under “Other routes”.
How often is DL863 on time?
Across 329 flights on JFK → SLC from 2025-07-01 to 2026-06-30, DL863 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +52 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 234 | 72% |
| 16-30 min | 26 | 8% |
| 31-60 min | 34 | 11% |
| 61-120 min | 16 | 5% |
| 2+ hrs | 13 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 55% | +37 min |
| 2025-08 | 31 | 81% | -11 min |
| 2025-09 | 30 | 83% | -6 min |
| 2025-10 | 31 | 71% | +4 min |
| 2025-11 | 28 | 79% | +7 min |
| 2025-12 | 1 | 100% | -10 min |
| 2026-01 | 26 | 62% | +10 min |
| 2026-02 | 26 | 77% | +5 min |
| 2026-03 | 30 | 73% | +8 min |
| 2026-04 | 30 | 73% | +12 min |
| 2026-05 | 31 | 71% | +14 min |
| 2026-06 | 30 | 70% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 45 | 84% |
| Tue | 48 | 75% |
| Wed | 47 | 68% |
| Thu | 46 | 65% |
| Fri | 45 | 69% |
| Sat | 47 | 79% |
| Sun | 45 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…