USC421 is operated by KALITTA CHARTERS LLC between Rickenbacker International Airport (KLCK) and Ottawa Macdonald-Cartier International Airport (CYOW). The flight is most often flown by a LEARJET Bombardier Learjet 35/36. Typical block time is 0h 58m. SkyMeter has observed 9 legs of this flight number via ADS-B.

✈
FLIGHTS
9
last 90 days
⏱
AVG DURATION
58m
tracked time
📅
SERVICE PERIOD
07/01/2025 → 07/01/2026
first → last seen
🗺
ROUTES / TYPES
3 / 1
city pairs · airframes
⚠
INCIDENT RATE
11.1%
1 flagged

Routes flown

By count · last 90 days

3
KLCK → CYOW
3
avg 1h 16m · Rickenbacker → Ottawa Macdonald-Cartier
CYOW → KSYR
3
avg 32m · Ottawa Macdonald-Cartier → Syracuse Hancock
KSYR → KLCK
3
avg 1h 7m · Syracuse Hancock → Rickenbacker

Aircraft types

Equipment used on this number

1
LJ35 LEARJET Bombardier Learjet 35/36
9

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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 24 operations of USC421

24
N35WLLEARJET Bombardier Learjet 35/36
→
07/01/2026
1h 7m
No alerts
Replay Analysis
N35WLLEARJET Bombardier Learjet 35/36
→
07/01/2026
1h 7m
No alerts
Replay Analysis
N35WLLEARJET Bombardier Learjet 35/36
→
07/01/2026
28m
No alerts
Replay Analysis
N35WLLEARJET Bombardier Learjet 35/36
→
07/01/2026
28m
No alerts
Replay Analysis
N35WLLEARJET Bombardier Learjet 35/36
→
07/01/2026
1h 19m
No alerts
Replay Analysis
N35WLLEARJET Bombardier Learjet 35/36
→
07/01/2026
1h 19m
⤓ Emergency descent
Replay Analysis
N217CKLEARJET Bombardier Learjet 35/36
→
05/18/2026
1h 7m
No alerts
Replay Analysis
N217CKLEARJET Bombardier Learjet 35/36
→
05/18/2026
39m
△ Unstable approach
Replay Analysis
N217CKLEARJET Bombardier Learjet 35/36
→
05/18/2026
1h 12m
No alerts
Replay Analysis
N217CKLEARJET Bombardier Learjet 35/36
→
04/03/2026
1h 5m
No alerts
Replay Analysis
N217CKLEARJET Bombardier Learjet 35/36
→
04/03/2026
31m
No alerts
Replay Analysis
N217CKLEARJET Bombardier Learjet 35/36
→
04/03/2026
1h 15m
No alerts
Replay Analysis
N352CKLEARJET Bombardier Learjet 35/36
→
02/16/2026
39m
No alerts
Replay Analysis
N352CKLEARJET Bombardier Learjet 35/36
→
02/16/2026
33m
No alerts
Replay Analysis
N352CKLEARJET Bombardier Learjet 35/36
→
02/16/2026
1h 59m
No alerts
Replay Analysis
N35WLLEARJET Bombardier Learjet 35/36
→
10/13/2025
47m
No alerts
Replay Analysis
N35WLLEARJET Bombardier Learjet 35/36
→
10/13/2025
39m
No alerts
Replay Analysis
N35WLLEARJET Bombardier Learjet 35/36
→
10/13/2025
1h 25m
No alerts
Replay Analysis
N35WLLEARJET Bombardier Learjet 35/36
→
08/04/2025
37m
△ Unstable approach
Replay Analysis
N35WLLEARJET Bombardier Learjet 35/36
→
08/04/2025
28m
No alerts
Replay Analysis
N35WLLEARJET Bombardier Learjet 35/36
→
08/04/2025
1h 11m
No alerts
Replay Analysis
N264CKLEARJET Bombardier Learjet 35/36
→
07/01/2025
1h 7m
No alerts
Replay Analysis
N264CKLEARJET Bombardier Learjet 35/36
→
07/01/2025
27m
△ Unstable approach
Replay Analysis
N264CKLEARJET Bombardier Learjet 35/36
→
07/01/2025
1h 11m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window