Flight RF 521: Cheongju → Clark Field

Aero K12 November 2026ScheduledUpdated 5 min ago, official airport data

All flights Cheongju → Clark Field

Departure

Cheongju CJJ

22:00

Scheduled

Terminal: International

Not departed yet

Arrival

Clark Field CRK

We do not track the arrival airport.

Data from the official airport boards. Times are local to each airport.

Follow flight RF 521, 12 November 2026

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Distance: ≈ 2,491 km
On time: 68%
Average departure delay: 13 min
Days of the week

Punctuality of flight RF 521

“On time” means the flight left no later than 15 minutes after its scheduled departure time. Finished flights counted: 22, over the last 60 days of the airport boards.

Flights counted: 22
On time: 68%
Average departure delay: 13 min
Cancelled: 1

On time, up to 15 min late15
Delayed 16–60 min7
Delayed over 60 min0
Cancelled1

One bar per finished flight, the oldest on the left; the height is the delay at departure. The history table below lists the same flights.

Flight RF 521 history

Flights of the last 60 days from the airport boards. Delay against the scheduled departure.

Date / Departure	Route	Departure	Delay	Status
Wed 11 Nov22:00+28 min	Cheongju → Clark Field	22:00	+28 min	Departed
Sun 8 Nov22:00+30 min	Cheongju → Clark Field	22:00	+30 min	Departed
Sat 7 Nov22:00+20 min	Cheongju → Clark Field	22:00	+20 min	Departed
Thu 5 Nov22:00+22 min	Cheongju → Clark Field	22:00	+22 min	Departed
Wed 4 Nov22:00+26 min	Cheongju → Clark Field	22:00	+26 min	Departed
Sun 1 Nov22:00+10 min	Cheongju → Clark Field	22:00	+10 min	Departed
Sat 31 Oct22:00+14 min	Cheongju → Clark Field	22:00	+14 min	Departed
Thu 29 Oct22:00+20 min	Cheongju → Clark Field	22:00	+20 min	Departed
Wed 28 Oct22:00+14 min	Cheongju → Clark Field	22:00	+14 min	Departed
Sun 25 Oct22:00+3 min	Cheongju → Clark Field	22:00	+3 min	Departed
Sat 24 Oct23:15+3 min	Cheongju → Clark Field	23:15	+3 min	Departed
Fri 23 Oct22:50+2 min	Cheongju → Clark Field	22:50	+2 min	Departed
Wed 21 Oct22:50+11 min	Cheongju → Clark Field	22:50	+11 min	Departed
Tue 20 Oct22:50+22 min	Cheongju → Clark Field	22:50	+22 min	Departed
Sat 17 Oct23:15+15 min	Cheongju → Clark Field	23:15	+15 min	Departed
Fri 16 Oct22:50+7 min	Cheongju → Clark Field	22:50	+7 min	Departed
Wed 14 Oct22:50+14 min	Cheongju → Clark Field	22:50	+14 min	Departed
Tue 13 Oct22:50	Cheongju → Clark Field	22:50	—	Cancelled
Mon 12 Oct22:552 min early	Cheongju → Clark Field	22:55	2 min early	Departed
Sat 10 Oct23:151 min early	Cheongju → Clark Field	23:15	1 min early	Departed
Fri 9 Oct22:50+7 min	Cheongju → Clark Field	22:50	+7 min	Departed
Wed 7 Oct22:50+5 min	Cheongju → Clark Field	22:50	+5 min	Departed
Tue 6 Oct22:50+4 min	Cheongju → Clark Field	22:50	+4 min	Departed

Flight RF 521: schedule and upcoming dates

Days it flew in the last 60 days
Usual departure time: 22:00

Dates already on the boards

Thu 12 NovDeparture 22:00Scheduled

Route of flight RF 521

Departure airport: Cheongju (CJJ). Arrival airport: Clark Field (CRK). Distance between the airports: about 2,491 km in a straight line.

Questions about flight RF 521

Is flight RF 521 on time today?

For 12 November 2026 the airport board shows flight RF 521 as “Scheduled”. Departure: Cheongju, 22:00.

Which terminal and gate does flight RF 521 use?

Cheongju (CJJ): Terminal International. Gates are announced shortly before boarding and can change: check the screens at the airport.

How often is flight RF 521 delayed?

Over 22 flights: on time (within 15 min) 68%, average delay 13 min, cancelled 1.

On which days does flight RF 521 operate?

In the last 60 days it was on the boards on: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.

How can I get notified when flight RF 521 changes?

Use the notifications block at the top of this page: Telegram or e-mail. We will message you when the status, time, terminal, check-in desk or gate changes on the airport board, exactly as the board shows it. Every message has a Stop button or link.

Flight RF 521, 12 November 2026