KYE
KYE9521
KYE9521 is operated by UMB BANK NA TRUSTEE between Chicago O'Hare International Airport (KORD) and Narita International Airport (RJAA). The flight is most often flown by a BOEING Boeing 747-400. Typical block time is 6h 46m. SkyMeter has observed 63 legs of this flight number via ADS-B.
✈
FLIGHTS
63
last 90 days
⏱
AVG DURATION
6h 46m
tracked time
📅
SERVICE PERIOD
07/10/2025 → 07/05/2026
first → last seen
🗺
ROUTES / TYPES
12 / 1
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged
Routes flown
By count · last 90 days
Aircraft types
Equipment used on this number
Safety profile
Flagged flights · last 90 days
Go-arounds
0
Unstable approach
0
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each
flag, not the total event count. See /incidents for individual events.
Recent flights
Newest 30 operations of KYE9521
07/03/2026
13h 54m
No alerts
06/28/2026
12h 13m
No alerts
06/26/2026
13h 58m
No alerts
06/24/2026
12h 13m
No alerts
06/22/2026
13h 44m
No alerts
06/19/2026
12h 13m
No alerts
06/14/2026
12h 49m
⤓ Emergency descent
06/10/2026
13h 18m
No alerts
06/05/2026
13h 46m
No alerts
06/03/2026
13h 37m
No alerts
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window