London, United Kingdom · LHR
London Heathrow Airport
Local time now 07:03 · Korea 16:03 · 9 h behind Korea
Departure crowd forecast nowForecast
Moderate
Quietest for the rest of today: 21:00 local (06:00 next day Korea)
CrowdView forecast · based on weekday/hour departure patterns and local holidays (not official wait times)
Today's hourly departure crowd forecast · times on the chart are local
Busy hours 05:00~07:00 (local)
Hourly table (local time · Korea time)
| Local time | Korea time | Forecast level |
|---|---|---|
| 00:00 | 09:00 | Quiet |
| 01:00 | 10:00 | Quiet |
| 02:00 | 11:00 | Quiet |
| 03:00 | 12:00 | Quiet |
| 04:00 | 13:00 | Comfortable |
| 05:00 | 14:00 | Busy |
| 06:00 | 15:00 | Busy |
| 07:00 | 16:00 | Moderate |
| 08:00 | 17:00 | Moderate |
| 09:00 | 18:00 | Moderate |
| 10:00 | 19:00 | Moderate |
| 11:00 | 20:00 | Moderate |
| 12:00 | 21:00 | Moderate |
| 13:00 | 22:00 | Moderate |
| 14:00 | 23:00 | Moderate |
| 15:00 | 00:00 (next day) | Moderate |
| 16:00 | 01:00 (next day) | Moderate |
| 17:00 | 02:00 (next day) | Comfortable |
| 18:00 | 03:00 (next day) | Comfortable |
| 19:00 | 04:00 (next day) | Comfortable |
| 20:00 | 05:00 (next day) | Comfortable |
| 21:00 | 06:00 (next day) | Quiet |
| 22:00 | 07:00 (next day) | Quiet |
| 23:00 | 08:00 (next day) | Quiet |
Today(local)
BusyBusiest 06:00 local (15:00 Korea) · quietest 21:00 local (06:00 next day Korea)
Tuesdays and Wednesdays are relatively quiet
Wed, 11/4(local)
BusyBusiest 06:00 local (15:00 Korea) · quietest 21:00 local (06:00 next day Korea)
Tuesdays and Wednesdays are relatively quiet
Thu, 11/5(local)
BusyBusiest 06:00 local (15:00 Korea) · quietest 21:00 local (06:00 next day Korea)
Fri, 11/6(local)
BusyBusiest 06:00 local (15:00 Korea) · quietest 21:00 local (06:00 next day Korea)
Fridays and Sundays tend to have more departures
Sat, 11/7(local)
BusyBusiest 06:00 local (15:00 Korea) · quietest 21:00 local (06:00 next day Korea)
Sun, 11/8(local)
BusyBusiest 06:00 local (15:00 Korea) · quietest 21:00 local (06:00 next day Korea)
Fridays and Sundays tend to have more departures
Mon, 11/9(local)
BusyBusiest 06:00 local (15:00 Korea) · quietest 21:00 local (06:00 next day Korea)
Terminal 2
Asiana Airlines
Terminal 3
American Airlines · Delta Air Lines
Terminal 4
Korean Air
Terminal 5
British Airways
Airline terminals can change. Always check your ticket or the airline app.
- Arrive 3 h before departureIf you depart around 06:00~09:00 (local) today, allow an extra 30–60 minutes.
- For long-haul flights, arrive 3 hours before departure.
- Terminals are far apart — check your terminal on your ticket first.
- Official website ↗ · Google Maps ↗
Upcoming local holidays & peak seasons
Departure halls are forecast to be busier than usual on these days
- Sat, 12/19Christmas holidays
FAQ
Q.How early should I get to London Heathrow Airport?
For international flights, arrive 3 h before departure. At busy hours or during local holidays, go 30–60 minutes earlier.
Q.When is London Heathrow Airport busiest?
By CrowdView's forecast, departure procedures are busiest around 06:00 local (15:00 Korea) today and quietest around 21:00 local (06:00 next day Korea).
Forecasts are estimates based on departure patterns by weekday and hour, local holidays and peak seasons, and Korean holidays. Check the airport or airline for actual wait times.

