UAL1840

UNITED AIRLINES INC · DEN → SLC

UAL1840 is operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and Salt Lake City International Airport (KSLC). The flight is most often flown by a AIRBUS Airbus A319. Typical block time is 1h 25m. SkyMeter has observed 62 legs of this flight number via ADS-B.

✈
FLIGHTS
62
last 90 days
⏱
AVG DURATION
1h 25m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
7 / 7
city pairs · airframes
⚠
INCIDENT RATE
25.8%
16 flagged

Routes flown

By count · last 90 days

3
KDEN → KSLC
32
avg 1h 27m · Denver → Salt Lake City
KSLC → KORD
7
avg 2h 54m · Salt Lake City → Chicago O'Hare
KDEN → KGJT
1
avg 3h 0m · Denver → Grand Junction

Aircraft types

Equipment used on this number

7
A319 AIRBUS Airbus A319
41
B38M BOEING Boeing 737 MAX 8
12
A320 AIRBUS Airbus A320
8
B737 BOEING Boeing 737-700
6
B738 BOEING Boeing 737-800
3
A21N AIRBUS Airbus A321 Neo
1
B739 BOEING Boeing 737-900
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
16
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 UAL1840

30
N37368BOEING Boeing 737 MAX 8
→
06/03/2026
1h 27m
△ Unstable
Replay Analysis
N27269BOEING Boeing 737 MAX 8
→
06/02/2026
1h 47m
No alerts
Replay Analysis
N27273BOEING Boeing 737 MAX 8
→
06/01/2026
1h 25m
No alerts
Replay Analysis
N27273BOEING Boeing 737 MAX 8
→
06/01/2026
11m
No alerts
Replay Analysis
N17300BOEING Boeing 737 MAX 8
→
05/31/2026
1h 21m
No alerts
Replay Analysis
N67350BOEING Boeing 737 MAX 8
→
05/29/2026
2h 59m
△ Unstable
Replay Analysis
N27267BOEING Boeing 737 MAX 8
→
05/28/2026
1h 25m
No alerts
Replay Analysis
N27287BOEING Boeing 737 MAX 8
→
05/26/2026
1h 27m
No alerts
Replay Analysis
N38454BOEING Boeing 737-900
→
05/25/2026
1h 34m
△ Unstable
Replay Analysis
N47345BOEING Boeing 737 MAX 8
→
05/24/2026
1h 23m
No alerts
Replay Analysis
N78501BOEING Boeing 737-800
→
05/23/2026
1h 21m
△ Unstable
Replay Analysis
N27334BOEING Boeing 737 MAX 8
→
05/21/2026
1h 31m
No alerts
Replay Analysis
N874UAAIRBUS Airbus A319
→
05/20/2026
5m
No alerts
Replay Analysis
N874UAAIRBUS Airbus A319
→
05/20/2026
1h 17m
No alerts
Replay Analysis
N433UAAIRBUS Airbus A320
→
05/18/2026
30m
No alerts
Replay Analysis
N477UAAIRBUS Airbus A320
→
05/17/2026
1h 40m
No alerts
Replay Analysis
N806UAAIRBUS Airbus A319
→
05/16/2026
1h 30m
No alerts
Replay Analysis
N837UAAIRBUS Airbus A319
→
05/15/2026
1h 15m
No alerts
Replay Analysis
N434UAAIRBUS Airbus A320
→
05/14/2026
1h 21m
△ Unstable
Replay Analysis
N893UAAIRBUS Airbus A319
→
05/13/2026
1h 24m
No alerts
Replay Analysis
N882UAAIRBUS Airbus A319
→
05/11/2026
1h 22m
△ Unstable
Replay Analysis
N841UAAIRBUS Airbus A319
→
05/10/2026
5m
No alerts
Replay Analysis
N841UAAIRBUS Airbus A319
→
05/10/2026
1h 14m
△ Unstable
Replay Analysis
N854UAAIRBUS Airbus A319
→
05/08/2026
1h 14m
△ Unstable
Replay Analysis
N849UAAIRBUS Airbus A319
→
05/07/2026
17m
No alerts
Replay Analysis
N836UAAIRBUS Airbus A319
→
05/04/2026
1h 45m
△ Unstable
Replay Analysis
N825UAAIRBUS Airbus A319
→
05/03/2026
14m
No alerts
Replay Analysis
N825UAAIRBUS Airbus A319
→
05/03/2026
1h 8m
No alerts
Replay Analysis
N457UAAIRBUS Airbus A320
→
05/02/2026
1h 36m
△ Unstable
Replay Analysis
N471UAAIRBUS Airbus A320
→
05/01/2026
1h 9m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window