WE503 SeoulICN · 11:20 TokyoNRT · 13:40
WE503 by Thai Smile flies from Seoul (ICN) to Tokyo (NRT) for the Sun, Nov 1 departure.
estimated arrival at NRT · local time · ~1h 44m from now
board checked 2m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 11:43.
Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −16 min · 0 cancelled · 12 operations tracked
The route today
live boardsTomorrow at Tokyo
ForecastMon 2 Nov, local date
- Chance a departure is cancelled
- 1.6%usually 1.8%
- Chance a departure leaves 60+ min late
- 3.3%usually 3.5%
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Based on about 320 departures a day. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Seoul to Tokyo flights today
same route · Thai SmileIf WE503 is cancelled, this is the other Thai Smile nonstop flight from Seoul to Tokyo on the same day, with scheduled departure times in ICN local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How WE503 actually runs
Pro Flight Search has tracked every published board update for WE503 across the ICN and NRT boards: schedule changes, gate pushes and actual clocks. Usually lands ~15 min early. Based on 11 confirmed landings · 11/11 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how WE503 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: HL8768, HL8714.
Board clocks recorded as ICN and NRT published them.
Planning around WE503? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: WE503 Seoul to Tokyo on-time performance, measured from the ICN and NRT airport boards.
https://proflightsearch.com/flight/WE503
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