TW637T'way Airlines · ICN → HKG
live · 5m ago
Route confirmed T'way Airlines

TW637 SeoulICN · 08:55 Hong KongHKG · 12:05

TW637 by T'way Airlines flies from Seoul (ICN) to Hong Kong (HKG) for the Thu, Oct 29 departure.

Right nowScheduled · gate 114
08:55

departs ICN · on schedule

Typical gate push+12 minmedian posted departure
Typical arrival−31 minmedian over 4 operations
Wins back in air~43 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
10-28
+9 gate · −31 arrival
10-27
+12 gate · −33 arrival
10-26
+16 gate · −24 arrival
10-25
+11 gate · −33 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
ICNSeoulOn-time likelyICN delay board →
HKGHong KongOn-time likelyHKG delay board →
ICN→HKGevery carrier, schedules and on-time historyRoute intelligence →

Tomorrow at Hong Kong

Forecast

Fri 30 Oct, local date

High30°Clikely 29°C to 31°C
Low25°Clikely 24°C to 26°C
Outlook: about usual
Chance a departure is cancelled
0.4%usually 0.6%
Chance a departure leaves 60+ min late
4.2%usually 4.0%

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · Based on about 440 departures a day. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Seoul to Hong Kong flights today

same route · T'way Airlines
TW643departs 08:45

If TW637 is cancelled, this is the other T'way Airlines nonstop flight from Seoul to Hong Kong on the same day, with scheduled departure times in ICN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How TW637 actually runs

Pro Flight Search has tracked every published board update for TW637 across the ICN and HKG boards: schedule changes, gate pushes and actual clocks. Usually lands ~31 min early. Based on 4 confirmed landings · 4/4 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 TW637 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
10-28ICN 08:55 09:04 (+9)HKG 12:05 11:34 (−31)
10-27ICN 08:55 09:07 (+12)HKG 12:05 11:32 (−33)
10-26ICN 08:55 09:11 (+16)HKG 12:05 11:41 (−24)
10-25ICN 08:55 09:06 (+11)HKG 12:05 11:32 (−33)

Board clocks recorded as ICN and HKG published them.

Planning around TW637? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — TW637 Seoul to Hong Kong on-time performance, measured from the ICN and HKG airport boards.

Canonical URL
https://proflightsearch.com/flight/TW637
How we measure this →