RS904Air Seoul · CJU → GMP
live · 29m ago
Route confirmed Air Seoul

RS904 Jeju CityCJU SeoulGMP

RS904 by Air Seoul flies from Jeju City (CJU) to Seoul (GMP).

Right nowNext departure tomorrow Operates daily
11:55

scheduled from CJU

The route today

live boards
CJUJeju CityModerate riskCJU delay board →
GMPSeoulOn-time likelyGMP delay board →
CJU→GMPevery carrier, schedules and on-time historyRoute intelligence →

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 Jeju City to Seoul flights today

same route · Air Seoul
RS902departs 07:55
RS6306departs 08:05
RS6408departs 11:45
RS6356departs 16:05
RS6502departs 20:40
RS908departs 20:50

If RS904 is cancelled, these are the other Air Seoul nonstop flights from Jeju City to Seoul on the same day, with scheduled departure times in CJU 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 RS904 actually runs

Pro Flight Search has tracked every published board update for RS904 across the CJU and GMP boards: schedule changes, gate pushes and actual clocks. Combined risk score: 23.1/100. Based on airport operations, weather, and cached board history at CJU and GMP.

The verdict above is that record speaking, so it reflects how RS904 operates rather than what the timetable promises. Numbers refresh as new flights operate.

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: RS904 Jeju City to Seoul on-time performance, measured from the CJU and GMP airport boards.

Canonical URL
https://proflightsearch.com/flight/RS904
How we measure this →