Lufthansa
LH 431: Chicago → Frankfurt am Main
LH 431 (Lufthansa) is scheduled to leave Chicago at 16:05 and land in Frankfurt am Main at 07:25. The flight is frequently delayed: 1% of the last 85 departures were on time.
How punctual is LH 431?
- on time (≤ 15 min)
- 1 %
- median deviation
- +56 min
- more than 1 hour late
- 38 %
Based on 85 departures in the roughly three months up to 24 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.
1% of departures were no more than 15 minutes behind schedule. That is 60 percentage points below the average across all 488 flight numbers FlightPeek analyses (61%). On average, LH 431 leaves 56 minutes behind schedule. 38% of departures were more than an hour late.
What to do if LH 431 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 LH 431?
- In the roughly three months up to 24 September 2026, 1% of 85 departures left no more than 15 minutes late. On average, LH 431 leaves 56 minutes behind schedule.
- When does LH 431 depart and arrive?
- Scheduled departure is 16:05 local time in Chicago, arrival 07:25 local time in Frankfurt am Main, with a flight time of 8 h 20 min. Schedules change by season – your booking is what counts.
- Which aircraft operates LH 431?
- Most recently, LH 431 was flown with a BOEING 747. The airline can swap aircraft at short notice.
- How do I find out straight away if LH 431 is delayed?
- FlightPeek watches the flight and sends delay, gate, terminal and cancellation alerts to your phone – often before the departure board shows them.