UAL3903

UNITED AIRLINES INC · YYC → DEN

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 39m. SkyMeter has observed 6 legs of this flight number via ADS-B.

✈
FLIGHTS
6
last 90 days
⏱
AVG DURATION
1h 39m
tracked time
📅
SERVICE PERIOD
04/21/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
6 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
CYYC → KDEN
1
avg 2h 29m · Calgary → Denver
KIAD → KEWR
1
avg 1h 9m · Washington Dulles → Newark Liberty
KGEG → KDEN
1
avg 2h 16m · Spokane → Denver
KDEN → KIAH
1
avg 2h 12m · Denver → George Bush Intercontinental Houston
KORD → KEWR
1
avg 1h 44m · Chicago O'Hare → Newark Liberty

Aircraft types

Equipment used on this number

5
B763 BOEING Boeing 767-300
2
A319 AIRBUS Airbus A319
1
B738 BOEING Boeing 737-800
1
B39M BOEING Boeing 737 MAX 9
1
B789 BOEING Boeing 787-9 Dreamliner
1

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 6 operations of UAL3903

6
N25201BOEING Boeing 737-800
→
06/03/2026
2h 16m
No alerts
Replay Analysis
N37502BOEING Boeing 737 MAX 9
→
05/31/2026
1h 8m
No alerts
Replay Analysis
N804UAAIRBUS Airbus A319
→
05/28/2026
2h 29m
No alerts
Replay Analysis
N29989BOEING Boeing 787-9 Dreamliner
→
05/21/2026
2h 11m
No alerts
Replay Analysis
N658UABOEING Boeing 767-300
→
04/21/2026
1h 44m
No alerts
Replay Analysis
N658UABOEING Boeing 767-300
→
04/21/2026
5m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window