Delta Air Lines
DL 1643: New York → Austin
DL 1643 (Delta Air Lines) is scheduled to leave New York at 13:29 and land in Austin at 16:38. The flight is frequently delayed: 36% of the last 78 departures were on time.
How punctual is DL 1643?
- on time (≤ 15 min)
- 36 %
- median deviation
- +21 min
- more than 1 hour late
- 24 %
Based on 78 departures in the roughly three months up to 15 September 2026. On time means leaving the gate no more than 15 minutes late.
Delay, gate and terminal on your phone – even when the app is closed.
36% of departures were no more than 15 minutes behind schedule. That is 25 percentage points below the average across all 497 flight numbers FlightPeek analyses (61%). On average, DL 1643 leaves 21 minutes behind schedule. 24% of departures were more than an hour late.
What to do if DL 1643 is delayed
This flight departs outside the EU. EU Regulation 261/2004 then only applies if an EU airline flies into the EU – otherwise the rules of the departure country and the airline's conditions apply.
Frequently asked questions
- How punctual is DL 1643?
- In the roughly three months up to 15 September 2026, 36% of 78 departures left no more than 15 minutes late. On average, DL 1643 leaves 21 minutes behind schedule.
- When does DL 1643 depart and arrive?
- Scheduled departure is 13:29 local time in New York, arrival 16:38 local time in Austin, with a flight time of 4 h 9 min. Schedules change by season – your booking is what counts.
- Which aircraft operates DL 1643?
- Most recently, DL 1643 was flown with a BOEING 737-900. The airline can swap aircraft at short notice.
- How do I find out straight away if DL 1643 is delayed?
- FlightPeek watches the flight and sends delay, gate, terminal and cancellation alerts to your phone – often before the departure board shows them.
