route Route

COI → MRK

Average flight time on the COI–MRK route is 2h 12m , covering approximately 278 km (173 mi).

The great-circle distance from COI to MRK is approximately 278 km (173 miles).

We've observed ~1 flight per day on this route across our tracking data (3 total flights recorded).

278 km avg 2h 12m 0 airlines

Obs: 2026-08-28T18:15:00.000Z

Raw METAR

METAR KCOI 281815Z AUTO 07008KT 10SM CLR 32/28 A3005 RMK AO2

Obs: 2026-08-28T17:56:00.000Z

Raw METAR

METAR KMKY 281756Z AUTO 19006KT 10SM CLR 33/23 A3005 RMK AO2 LTG DSNT E AND SE SLP174 6//// T03330233 10339 20250 58008 PNO $

Live traffic

COI → MRK. Live aircraft currently filed on this route.

Recent flights last 3

Date	Flight	Aircraft	Takeoff	Landing	Duration	Arr Δ
2026-07-09	N2500X	A259EC	Jul 9, 09:25 UTC	Jul 9, 12:25 UTC	3h 0m	-
2026-05-29	N9844S	ADBCF5	May 29, 12:05 UTC	May 29, 13:50 UTC	1h 45m	-
2026-04-25	N155AP	A0DCD0	Apr 25, 12:15 UTC	Apr 25, 14:05 UTC	1h 50m	-

How long is the flight from COI to MRK?

Average flight time on the COI–MRK route is 2h 12m, covering approximately 278 km (173 mi).

What is the distance from COI to MRK?

The great-circle distance from COI to MRK is approximately 278 km (173 miles).

How many flights per week from COI to MRK?

We've observed ~1 flight per day on this route across our tracking data (3 total flights recorded).

Can I track COI–MRK flights live?

Yes. The live tracker map above shows aircraft currently flying this route, filtered by departure and arrival airport.