UAL535 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 35m. SkyMeter has observed 43 legs of this flight number via ADS-B.

✈
FLIGHTS
43
last 90 days
⏱
AVG DURATION
1h 35m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
7 / 4
city pairs · airframes
⚠
INCIDENT RATE
2.3%
1 flagged

Routes flown

By count · last 90 days

3
KDEN → KRAP
11
avg 1h 7m · Denver → Rapid City
KDEN → KLAX
10
avg 2h 16m · Denver → Los Angeles
KORD → KIAH
9
avg 2h 21m · Chicago O'Hare → George Bush Intercontinental Houston

Aircraft types

Equipment used on this number

4
B739 BOEING Boeing 737-900
34
B39M BOEING Boeing 737 MAX 9
14
B738 BOEING Boeing 737-800
10
B38M BOEING Boeing 737 MAX 8
3

Safety profile

Flagged flights · last 90 days

Go-arounds
1
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 UAL535

30
N37541BOEING Boeing 737 MAX 9
→
06/03/2026
2h 29m
No alerts
Replay Analysis
N77579BOEING Boeing 737 MAX 9
→
06/02/2026
2h 8m
No alerts
Replay Analysis
N17430BOEING Boeing 737 MAX 9
→
06/01/2026
2h 19m
No alerts
Replay Analysis
N68880BOEING Boeing 737-900
→
05/31/2026
2h 18m
No alerts
Replay Analysis
N37445BOEING Boeing 737 MAX 9
→
05/29/2026
1h 26m
No alerts
Replay Analysis
N17425BOEING Boeing 737 MAX 9
→
05/28/2026
2h 3m
No alerts
Replay Analysis
N37542BOEING Boeing 737 MAX 9
→
05/26/2026
2h 45m
No alerts
Replay Analysis
N77576BOEING Boeing 737 MAX 9
→
05/25/2026
2h 31m
No alerts
Replay Analysis
N37450BOEING Boeing 737 MAX 9
→
05/24/2026
2h 13m
No alerts
Replay Analysis
N37450BOEING Boeing 737 MAX 9
→
05/24/2026
6m
No alerts
Replay Analysis
N17565BOEING Boeing 737 MAX 9
→
05/23/2026
2h 24m
No alerts
Replay Analysis
N17565BOEING Boeing 737 MAX 9
→
05/23/2026
6m
No alerts
Replay Analysis
N61882BOEING Boeing 737-900
→
05/21/2026
1h 46m
No alerts
Replay Analysis
N61882BOEING Boeing 737-900
→
05/20/2026
37m
No alerts
Replay Analysis
N61882BOEING Boeing 737-900
→
05/20/2026
2h 24m
No alerts
Replay Analysis
N17358BOEING Boeing 737 MAX 8
→
05/20/2026
1h 52m
No alerts
Replay Analysis
N69806BOEING Boeing 737-900
→
05/18/2026
37m
No alerts
Replay Analysis
N37413BOEING Boeing 737-900
→
05/18/2026
1h 48m
No alerts
Replay Analysis
N37413BOEING Boeing 737-900
→
05/17/2026
41m
No alerts
Replay Analysis
N37413BOEING Boeing 737-900
→
05/17/2026
2h 30m
No alerts
Replay Analysis
N39418BOEING Boeing 737-900
→
05/17/2026
1h 54m
No alerts
Replay Analysis
N68842BOEING Boeing 737-900
→
05/15/2026
39m
No alerts
Replay Analysis
N39463BOEING Boeing 737-900
→
05/15/2026
1h 28m
No alerts
Replay Analysis
N39463BOEING Boeing 737-900
→
05/14/2026
2h 3m
No alerts
Replay Analysis
N39463BOEING Boeing 737-900
→
05/14/2026
34m
No alerts
Replay Analysis
N66825BOEING Boeing 737-900
→
05/14/2026
1h 46m
No alerts
Replay Analysis
N66825BOEING Boeing 737-900
→
05/13/2026
32m
No alerts
Replay Analysis
N66825BOEING Boeing 737-900
→
05/13/2026
2h 18m
No alerts
Replay Analysis
N77259BOEING Boeing 737 MAX 8
→
05/13/2026
1h 47m
No alerts
Replay Analysis
N37420BOEING Boeing 737-900
→
05/11/2026
36m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window