KLM KL4840 Flight Status Tracker
KL4840 is a international flight operated by KLM. KL4840 is departing from San Francisco (SFO), United States and arriving at London (LHR), United Kingdom. The flight distance is about 8639.77 km or 5368.51 miles and flight time is 1 hours 40 minutes. Get the latest status of KL4840 / KLM4840 here.
Update on Aug. 15, 2025, 10:07 a.m.
Lastest Status
N/A
| SFO | LHR |
Distance: 8639.77 km / 5368.51 miles or 4665.11 nautical miles.
Departure San Francisco International Airport
Scheduled Departure: 3:45 p.m.
Departure Terminal : None Gate None
Arrival London Heathrow Airport
Scheduled Arrival: 8:30 p.m.
Arrival Terminal : 2 Gate None
Flight KL4840 detail information
| Type | International Flight |
| Route | Departure San Francisco (SFO), United States and arriving at London (LHR), United Kingdom |
| Airlines | KLM (KL) |
| Aircraft | 737 |
| Flight Duration | 1 hours 40 minutes |
| Flight Distance | 8639.77 km /5368.51 miles |
| Operating Days |
Find more flight status
KL4840 Airports
| Departures |
|---|
| Airport: San Francisco International Airport, United States |
| ICAO Code: SFO |
| SFO Current time: 19:43 28-Feb-2026 |
| Arrivals |
| Airport: London Heathrow Airport, United Kingdom |
| ICAO Code: LHR |
| LHR Current time: 03:43 01-Mar-2026 |