UAL
UAL3903
UAL3903 is operated by UNITED AIRLINES INC between Calgary International Airport (CYYC) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 767-300. Typical block time is 1h 46m. SkyMeter has observed 21 legs of this flight number via ADS-B.
✈
FLIGHTS
21
last 90 days
⏱
AVG DURATION
1h 46m
tracked time
📅
SERVICE PERIOD
05/28/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
20 / 10
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged
Routes flown
By count · last 90 days
Aircraft types
Equipment used on this number
B763
BOEING Boeing 767-300
3B738
BOEING Boeing 737-800
3B39M
BOEING Boeing 737 MAX 9
3A320
AIRBUS Airbus A320
2A319
AIRBUS Airbus A319
2B739
BOEING Boeing 737-900
2B789
BOEING Boeing 787-9 Dreamliner
2A21N
AIRBUS Airbus A321 Neo
1B788
BOEING Boeing 787-8 BBJ/Dreamliner
1B38M
BOEING Boeing 737 MAX 8
1Safety 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 UAL3903
07/02/2026
2h 2m
No alerts
06/24/2026
2h 20m
No alerts
05/31/2026
1h 8m
No alerts
05/21/2026
2h 11m
No alerts
05/08/2026
2h 30m
No alerts
04/06/2026
3h 13m
No alerts
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window