Aero K
Is RF422 delayed?
Service date: · Scheduled arrival date; departure time unavailable (UTC)
Last reported
Cancelled
This update may be out of date. Check with your airline.
Update time unavailable
Departure
Ulaanbaatar
UBN
Scheduled
Not available
Arrival
Cheongju
CJJ
Scheduled
Sep 13
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Not available
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
UBNCJJ
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 5 min early
UBN → CJJ
- 1 min late
UBN → CJJ
- 10 min early
UBN → CJJ
- 1 min early
UBN → CJJ
Flight history and details
Aug 18, 2026 — Sep 17, 2026
- Observed arrivals
- 4
- Arrivals over 15 minutes late
- 0
- Observed cancellations
- 3
- Observed occurrences
- 7
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 14, 2026Arrived | Ulaanbaatar | Cheongju | -5 | |
| Sep 13, 2026Cancelled | Ulaanbaatar | Cheongju | Not available | Not available |
| Sep 11, 2026Arrived | Ulaanbaatar | Cheongju | 1 | |
| Sep 9, 2026Cancelled | Ulaanbaatar | Cheongju | Not available | Not available |
| Sep 7, 2026Arrived | Ulaanbaatar | Cheongju | -10 | |
| Sep 6, 2026Cancelled | Ulaanbaatar | Cheongju | Not available | Not available |
| Sep 4, 2026Arrived | Ulaanbaatar | Cheongju | -1 |