RS421 is operated by Transwest Air Limited Partnership, By Its General Partner Transw between Prince Albert Glass Field (CYPA) and Saskatoon John G. Diefenbaker International Airport (CYXE). The flight is most often flown by a ATR ATR 42-300/320. Typical block time is 0h 46m. SkyMeter has observed 57 legs of this flight number via ADS-B.
✈
FLIGHTS
57
last 90 days
⏱
AVG DURATION
46m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
8 / 1
city pairs · airframes
⚠
INCIDENT RATE
5.3%
3 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
3
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 RS421
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window