Flight OddsDL1643 JFK → AUS
Delta Air Lines · New York, NY to Austin, TX · 247 flights observed, 2025-07-01 to 2026-06-30 · 1,521 mi
DL1643 covers more than one route in the data window — the stats below are for JFK → AUS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
86%
Median delay
-18 min
90th percentile
+27 min
Cancellation rate
1%
How often is DL1643 on time?
Across 247 flights on JFK → AUS from 2025-07-01 to 2026-06-30, DL1643 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -18 min, and the worst 10% of flights arrived +27 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 211 | 86% |
| 16-30 min | 12 | 5% |
| 31-60 min | 13 | 5% |
| 61-120 min | 6 | 2% |
| 2+ hrs | 3 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 77% | +1 min |
| 2025-08 | 31 | 84% | -4 min |
| 2025-09 | 30 | 93% | -23 min |
| 2025-10 | 30 | 90% | -10 min |
| 2025-11 | 29 | 90% | -14 min |
| 2025-12 | 19 | 84% | -9 min |
| 2026-04 | 16 | 88% | -5 min |
| 2026-05 | 29 | 79% | -4 min |
| 2026-06 | 30 | 90% | -17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 36 | 92% |
| Tue | 37 | 92% |
| Wed | 35 | 83% |
| Thu | 36 | 81% |
| Fri | 34 | 88% |
| Sat | 32 | 91% |
| Sun | 35 | 77% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…