UAL624 is operated by UNITED AIRLINES INC between Phoenix Sky Harbor International Airport (KPHX) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 1h 28m. SkyMeter has observed 73 legs of this flight number via ADS-B.

✈
FLIGHTS
73
last 90 days
⏱
AVG DURATION
1h 28m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
10 / 5
city pairs · airframes
⚠
INCIDENT RATE
12.3%
9 flagged

Routes flown

By count · last 90 days

5
KPHX → KDEN
21
avg 1h 50m · Phoenix Sky Harbor → Denver
KDEN → KLAS
14
avg 1h 55m · Denver → McCarran
KLAS → KORD
5
avg 3h 17m · McCarran → Chicago O'Hare
KPHX → KDVT
2
avg 1h 32m · Phoenix Sky Harbor → Phoenix Deer Valley
AZ83 → KDEN
1
avg 1h 22m · Phoenix Memorial Hospital Heliport → Denver

Aircraft types

Equipment used on this number

5
B39M BOEING Boeing 737 MAX 9
61
B739 BOEING Boeing 737-900
29
B738 BOEING Boeing 737-800
8
A21N AIRBUS Airbus A321 Neo
2
B38M BOEING Boeing 737 MAX 8
2

Safety profile

Flagged flights · last 90 days

Go-arounds
1
Unstable approach
8
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 UAL624

30
N68836BOEING Boeing 737-900
→
06/03/2026
8m
No alerts
Replay Analysis
N37538BOEING Boeing 737 MAX 9
→
06/03/2026
1h 3m
△ Unstable
Replay Analysis
N37538BOEING Boeing 737 MAX 9
→
06/02/2026
1h 45m
△ Unstable
Replay Analysis
N37538BOEING Boeing 737 MAX 9
→
06/02/2026
41m
No alerts
Replay Analysis
N77431BOEING Boeing 737-900
→
06/02/2026
1h 22m
No alerts
Replay Analysis
N77431BOEING Boeing 737-900
→
06/01/2026
20m
No alerts
Replay Analysis
N17444BOEING Boeing 737 MAX 9
→
06/01/2026
1h 7m
△ Unstable
Replay Analysis
N17444BOEING Boeing 737 MAX 9
→
05/31/2026
41m
No alerts
Replay Analysis
N17444BOEING Boeing 737 MAX 9
→
05/31/2026
1h 49m
△ Unstable
Replay Analysis
N69826BOEING Boeing 737-900
→
05/31/2026
1h 22m
No alerts
Replay Analysis
N69830BOEING Boeing 737-900
→
05/29/2026
8m
No alerts
Replay Analysis
N69810BOEING Boeing 737-900
→
05/29/2026
1h 16m
No alerts
Replay Analysis
N69810BOEING Boeing 737-900
→
05/28/2026
38m
No alerts
Replay Analysis
N69810BOEING Boeing 737-900
→
05/28/2026
1h 54m
No alerts
Replay Analysis
N37437BOEING Boeing 737-900
→
05/28/2026
1h 46m
No alerts
Replay Analysis
N37427BOEING Boeing 737-900
→
05/27/2026
1h 10m
No alerts
Replay Analysis
N37427BOEING Boeing 737-900
→
05/26/2026
43m
No alerts
Replay Analysis
N37427BOEING Boeing 737-900
→
05/26/2026
1h 54m
No alerts
Replay Analysis
N68452BOEING Boeing 737-900
→
05/26/2026
1h 21m
No alerts
Replay Analysis
N68452BOEING Boeing 737-900
→
05/25/2026
35m
No alerts
Replay Analysis
N68452BOEING Boeing 737-900
→
05/25/2026
1h 57m
No alerts
Replay Analysis
N27477BOEING Boeing 737-900
→
05/25/2026
1h 38m
No alerts
Replay Analysis
N68843BOEING Boeing 737-900
→
05/24/2026
1h 35m
No alerts
Replay Analysis
N68843BOEING Boeing 737-900
→
05/23/2026
5m
No alerts
Replay Analysis
N37462BOEING Boeing 737-900
→
05/23/2026
1h 24m
△ Unstable
Replay Analysis
N37462BOEING Boeing 737-900
→
05/22/2026
40m
No alerts
Replay Analysis
N68801BOEING Boeing 737-900
→
05/22/2026
1h 50m
No alerts
Replay Analysis
N61882BOEING Boeing 737-900
→
05/21/2026
1h 51m
No alerts
Replay Analysis
N17443BOEING Boeing 737 MAX 9
→
05/21/2026
1h 59m
No alerts
Replay Analysis
N27266BOEING Boeing 737 MAX 8
→
05/20/2026
1h 18m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window