UAL1623

UNITED AIRLINES INC · DEN → RAP

UAL1623 is operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and Rapid City Regional Airport (KRAP). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 1h 16m. SkyMeter has observed 40 legs of this flight number via ADS-B.

✈
FLIGHTS
40
last 90 days
⏱
AVG DURATION
1h 16m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
14 / 5
city pairs · airframes
⚠
INCIDENT RATE
7.5%
3 flagged

Routes flown

By count · last 90 days

6
KDEN → KRAP
10
avg 1h 8m · Denver → Rapid City
KRAP → KORD
9
avg 2h 4m · Rapid City → Chicago O'Hare
KLAX → KRNO
4
avg 1h 6m · Los Angeles → Reno Tahoe
US-1412 → KRNO
1
avg 1h 20m · Skyview Center I Helipad → Reno Tahoe
KPSP → KDEN
1
avg 1h 39m · Palm Springs → Denver
CN33 → KRNO
1
avg 1h 3m · Airport Imperial Bldg Helistop → Reno Tahoe

Aircraft types

Equipment used on this number

5
B739 BOEING Boeing 737-900
28
B38M BOEING Boeing 737 MAX 8
14
B39M BOEING Boeing 737 MAX 9
5
B738 BOEING Boeing 737-800
4
A320 AIRBUS Airbus A320
2

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
3
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 UAL1623

30
N67846BOEING Boeing 737-900
→
06/03/2026
2h 1m
No alerts
Replay Analysis
N67846BOEING Boeing 737-900
→
06/03/2026
1h 6m
No alerts
Replay Analysis
N68843BOEING Boeing 737-900
→
06/02/2026
2h 15m
No alerts
Replay Analysis
N68843BOEING Boeing 737-900
→
06/02/2026
1h 11m
No alerts
Replay Analysis
N37470BOEING Boeing 737-900
→
06/01/2026
2h 13m
No alerts
Replay Analysis
N37470BOEING Boeing 737-900
→
06/01/2026
57m
No alerts
Replay Analysis
N66828BOEING Boeing 737-900
→
05/31/2026
19m
No alerts
Replay Analysis
N66828BOEING Boeing 737-900
→
05/31/2026
2h 3m
No alerts
Replay Analysis
N66828BOEING Boeing 737-900
→
05/31/2026
1h 11m
No alerts
Replay Analysis
N37465BOEING Boeing 737-900
→
05/29/2026
1h 55m
No alerts
Replay Analysis
N37465BOEING Boeing 737-900
→
05/29/2026
34m
No alerts
Replay Analysis
N78438BOEING Boeing 737-900
→
05/28/2026
1h 54m
No alerts
Replay Analysis
N78438BOEING Boeing 737-900
→
05/28/2026
56m
No alerts
Replay Analysis
N38459BOEING Boeing 737-900
→
05/26/2026
2h 18m
No alerts
Replay Analysis
N38459BOEING Boeing 737-900
→
05/26/2026
1h 6m
No alerts
Replay Analysis
N68801BOEING Boeing 737-900
→
05/25/2026
2h 2m
No alerts
Replay Analysis
N68801BOEING Boeing 737-900
→
05/25/2026
1h 18m
No alerts
Replay Analysis
N68843BOEING Boeing 737-900
→
05/24/2026
1h 58m
No alerts
Replay Analysis
N68843BOEING Boeing 737-900
→
05/24/2026
1h 4m
△ Unstable
Replay Analysis
N66841BOEING Boeing 737-900
→
05/23/2026
2h 16m
No alerts
Replay Analysis
N66841BOEING Boeing 737-900
→
05/23/2026
21m
No alerts
Replay Analysis
N66841BOEING Boeing 737-900
→
05/23/2026
1h 14m
No alerts
Replay Analysis
N37551BOEING Boeing 737 MAX 9
→
05/22/2026
1h 43m
No alerts
Replay Analysis
N37551BOEING Boeing 737 MAX 9
→
05/21/2026
15m
No alerts
Replay Analysis
N37551BOEING Boeing 737 MAX 9
→
05/21/2026
1h 59m
No alerts
Replay Analysis
N37551BOEING Boeing 737 MAX 9
→
05/21/2026
1h 16m
No alerts
Replay Analysis
N37534BOEING Boeing 737 MAX 9
→
05/21/2026
1h 8m
No alerts
Replay Analysis
N37365BOEING Boeing 737 MAX 8
→
05/20/2026
34m
No alerts
Replay Analysis
N37351BOEING Boeing 737 MAX 8
→
05/18/2026
20m
No alerts
Replay Analysis
N17336BOEING Boeing 737 MAX 8
→
05/18/2026
47m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window