UAL
UAL581T is a flight number operated by UNITED AIRLINES INC between San Francisco International Airport (KSFO) and Reno Tahoe International Airport (KRNO). SkyMeter last tracked UAL581T on October 10, 2026. The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 1h 7m. SkyMeter has observed 3 legs of this flight number via ADS-B.
SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.
✈
FLIGHTS
3
last 90 days
⏱
AVG DURATION
1h 7m
tracked time
📅
SERVICE PERIOD
5/1/2026 → 10/10/2026
first → last seen
🗺
ROUTES / TYPES
2 / 2
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 7 operations of UAL581T
10/10/2026
59m
No alerts
9/28/2026
1h 7m
No alerts
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window