Flight OddsDL5123 JFK → JAX
Delta Air Lines · New York, NY to Jacksonville, FL · 348 flights observed, 2025-07-01 to 2026-06-30 · 829 mi
DL5123 covers more than one route in the data window — the stats below are for JFK → JAX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-7 min
90th percentile
+63 min
Cancellation rate
6%
How often is DL5123 on time?
Across 348 flights on JFK → JAX from 2025-07-01 to 2026-06-30, DL5123 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +63 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 250 | 76% |
| 16-30 min | 18 | 6% |
| 31-60 min | 22 | 7% |
| 61-120 min | 20 | 6% |
| 2+ hrs | 17 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 21 | 76% | +19 min |
| 2025-08 | 31 | 68% | +20 min |
| 2025-09 | 30 | 80% | +10 min |
| 2025-10 | 30 | 73% | +12 min |
| 2025-11 | 29 | 76% | +6 min |
| 2025-12 | 17 | 41% | +50 min |
| 2026-01 | 24 | 88% | -7 min |
| 2026-02 | 25 | 96% | -9 min |
| 2026-03 | 30 | 73% | +16 min |
| 2026-04 | 30 | 83% | -10 min |
| 2026-05 | 30 | 87% | -2 min |
| 2026-06 | 30 | 67% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 46 | 83% |
| Tue | 48 | 81% |
| Wed | 47 | 77% |
| Thu | 47 | 72% |
| Fri | 48 | 81% |
| Sat | 48 | 73% |
| Sun | 43 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…