How long is the flight from ICN to RMQ?

About 2 h 40 min gate to gate, estimated from the distance. Real times depend on winds and the routing.

Which airlines fly nonstop between ICN and RMQ?

Jin Air, Trinity Airways, Korean Air Lines flew the route in Jan 2026 – Jun 2026, with 53 flights a week in both directions together.

How much EU261 compensation is a delay on ICN–RMQ worth?

Neither EU261 nor UK261 applies: the route neither starts nor ends in the EU, EEA, Switzerland or the UK.

How much CO2 does a flight from ICN to RMQ emit?

About 197 kg CO2e per economy passenger one way, including the extra warming effect of flying high (117 kg without it), using the UK government's 2026 conversion factors.

AirportMiles

Seoul (ICN) – Taichung (RMQ)

Flights on Google Skyscanner

Distance, flight time and the airlines that fly it, from open data.

Distance: 1,566 km; 973 mi · 845 nm
Flight time: 2 h 40 min; Estimate from distance
Time difference: 1 h
CO2 per passenger: 197 kg; One way, economy, incl. RF (117 kg CO2 only)
Passengers, 6 months: 216,240; Jan 2026 – Jun 2026
Flights / week: 53; Both directions, average
Seats filled: —
Airlines nonstop: 3; LJ, TW, KE

Traffic: Incheon International Airport Corporation (Korea), scheduled passenger flights, Jan 2026 – Jun 2026. Distance: WGS-84 ellipsoid. CO2: UK DESNZ 2026 factors. Sources

Shortest path over the earth's surface (great circle). Real flights bend around weather, winds and airspace.

The way there

Heading from ICN: 202°
Heading from RMQ: 19°
Halfway point: 30.90, 123.34
Great-circle km: 1,569 km (sphere, for EU261)
Clocks: Taichung is 1 h behind Seoul

The estimate for a route without real times is 2 h 40 min; how it is worked out is on Sources.

Passengers per month, both directions (Jan 2026 – Jun 2026)Busiest: March 2026: 40,730 passengers

Show as a table

Month	Passengers
Jan 2026	39,465
Feb 2026	36,812
Mar 2026	40,730
Apr 2026	35,352
May 2026	34,121
Jun 2026	29,760

Flights per month, both directions (Jan 2026 – Jun 2026)Busiest: January 2026: 248 flights

Show as a table

Month	Flights
Jan 2026	248
Feb 2026	224
Mar 2026	246
Apr 2026	240
May 2026	248
Jun 2026	178

Airlines flying ICN–RMQ nonstop

Airline	Flights / week	Passengers, 6 months	Share of passengers
LJJin Air	28	121,112	56%
TWTrinity Airways	14	59,386	27%
KEKorean Air Lines	12	35,742	17%

Both directions, Jan 2026 – Jun 2026. Airlines with at least one flight a month. Incheon International Airport Corporation (Korea), scheduled passenger flights. Sources

Delay compensation (EU261 / UK261)

Measured by great-circle distance: 1,569 km.

Neither EU261 nor UK261 covers this route: it neither starts nor ends in the EU, EEA, Switzerland or the UK. Other countries have their own rules (for example Canada's APPR or Brazil's ANAC rules).

Also owed for a cancellation with less than 14 days' notice or denied boarding. Not owed for extraordinary circumstances. On a connection, the distance to the final destination counts. From 23 October 2027 the EU's Regulation 2026/2202 applies; it keeps these amounts (what changes in 2027). Information, not legal advice.

Every airport pair between Seoul and Taichung

	RMQ
ICN	1,566
GMP	1,586

Kilometres. Linked numbers have a page of their own. All Seoul airports

More routes from ICN

Route	To	Distance	Passengers
ICN → NRT	Tokyo, Japan	1,260 km	2,519,026 (6 mo)
ICN → KIX	Osaka, Japan	862 km	2,313,960 (6 mo)
ICN → FUK	Fukuoka, Japan	563 km	1,708,245 (6 mo)
ICN → HKG	Hong Kong, Hong Kong	2,067 km	1,316,010 (6 mo)
ICN → TPE	Taoyuan, Taiwan	1,460 km	1,184,972 (6 mo)
ICN → PVG	Shanghai, China	821 km	1,111,272 (6 mo)
ICN → BKK	Bangkok, Thailand	3,665 km	950,069 (6 mo)
ICN → DAD	Da Nang, Vietnam	2,976 km	941,076 (6 mo)
ICN → SIN	Singapore, Singapore	4,614 km	900,158 (6 mo)
ICN → TAO	Qingdao, China	580 km	797,360 (6 mo)

Questions

Seoul (ICN) and Taichung (RMQ) are 1,566 km (973 miles, 845 nautical miles) apart, measured along the shortest path over the earth's surface.