UAL2004

UNITED AIRLINES INC · SLC → DEN

UAL2004 is operated by UNITED AIRLINES INC between Salt Lake City International Airport (KSLC) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 1h 21m. SkyMeter has observed 98 legs of this flight number via ADS-B.

✈
FLIGHTS
98
last 90 days
⏱
AVG DURATION
1h 21m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/13/2026
first → last seen
🗺
ROUTES / TYPES
10 / 6
city pairs · airframes
⚠
INCIDENT RATE
1.0%
1 flagged

Routes flown

By count · last 90 days

6
KSLC → KDEN
63
avg 1h 22m · Salt Lake City → Denver
KDEN → KIND
5
avg 2h 3m · Denver → Indianapolis
KOMA → KIAH
5
avg 1h 54m · Eppley Airfield → George Bush Intercontinental Houston
KOGD → KDEN
3
avg 1h 43m · Ogden Hinckley → Denver
KORD → KBDL
2
avg 1h 32m · Chicago O'Hare → Bradley
KSLC → KFTG
1
avg 1h 21m · Salt Lake City → Colorado Air and Space Port

Aircraft types

Equipment used on this number

6
B738 BOEING Boeing 737-800
53
A320 AIRBUS Airbus A320
17
B38M BOEING Boeing 737 MAX 8
10
B739 BOEING Boeing 737-900
10
A319 AIRBUS Airbus A319
9
A21N AIRBUS Airbus A321 Neo
1

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 30 operations of UAL2004

30
N875UAAIRBUS Airbus A319
→
8/13/2026
1h 33m
No alerts
Replay Analysis
N875UAAIRBUS Airbus A319
→
8/13/2026
9m
No alerts
Replay Analysis
N842UAAIRBUS Airbus A319
→
8/12/2026
36m
No alerts
Replay Analysis
N842UAAIRBUS Airbus A319
→
8/11/2026
53m
No alerts
Replay Analysis
N842UAAIRBUS Airbus A319
→
8/11/2026
1h 30m
No alerts
Replay Analysis
N76519BOEING Boeing 737-800
→
8/10/2026
1h 50m
No alerts
Replay Analysis
N13227BOEING Boeing 737-800
→
8/9/2026
25m
No alerts
Replay Analysis
N440UAAIRBUS Airbus A320
→
8/8/2026
3h 9m
No alerts
Replay Analysis
N16217BOEING Boeing 737-800
→
8/7/2026
1h 36m
No alerts
Replay Analysis
N478UAAIRBUS Airbus A320
→
8/6/2026
1h 51m
No alerts
Replay Analysis
N73275BOEING Boeing 737-800
→
8/5/2026
1h 11m
No alerts
Replay Analysis
N73275BOEING Boeing 737-800
→
8/5/2026
6m
No alerts
Replay Analysis
N38268BOEING Boeing 737-800
→
8/4/2026
2h 1m
No alerts
Replay Analysis
N37267BOEING Boeing 737-800
→
8/3/2026
1h 26m
No alerts
Replay Analysis
N17327BOEING Boeing 737 MAX 8
→
8/2/2026
1h 4m
No alerts
Replay Analysis
N17327BOEING Boeing 737 MAX 8
→
8/2/2026
7m
No alerts
Replay Analysis
N76504BOEING Boeing 737-800
→
7/31/2026
1h 21m
No alerts
Replay Analysis
N477UAAIRBUS Airbus A320
→
7/30/2026
1h 32m
No alerts
Replay Analysis
N12218BOEING Boeing 737-800
→
7/29/2026
1h 27m
No alerts
Replay Analysis
N12218BOEING Boeing 737-800
→
7/28/2026
1h 15m
No alerts
Replay Analysis
N37273BOEING Boeing 737-800
→
7/27/2026
1h 26m
No alerts
Replay Analysis
N828UAAIRBUS Airbus A319
→
7/26/2026
1h 20m
No alerts
Replay Analysis
N484UAAIRBUS Airbus A320
→
7/25/2026
2h 50m
No alerts
Replay Analysis
N77296BOEING Boeing 737-800
→
7/24/2026
1h 21m
No alerts
Replay Analysis
N441UAAIRBUS Airbus A320
→
7/23/2026
1h 23m
No alerts
Replay Analysis
N73278BOEING Boeing 737-800
→
7/22/2026
1h 21m
No alerts
Replay Analysis
N35260BOEING Boeing 737-800
→
7/21/2026
1h 39m
No alerts
Replay Analysis
N73270BOEING Boeing 737-800
→
7/20/2026
1h 17m
No alerts
Replay Analysis
N73270BOEING Boeing 737-800
→
7/20/2026
12m
No alerts
Replay Analysis
N14242BOEING Boeing 737-800
→
7/19/2026
1h 18m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window