UAL1646

UNITED AIRLINES INC · DEN → RIC

UAL1646 is operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and Richmond International Airport (KRIC). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 2h 2m. SkyMeter has observed 31 legs of this flight number via ADS-B.

✈
FLIGHTS
31
last 90 days
⏱
AVG DURATION
2h 2m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
4 / 2
city pairs · airframes
⚠
INCIDENT RATE
3.2%
1 flagged

Routes flown

By count · last 90 days

3
KDEN → KOKC
9
avg 1h 28m · Denver → Will Rogers World
KDEN → KRIC
9
avg 3h 12m · Denver → Richmond
KFLL → KEWR
7
avg 2h 49m · Fort Lauderdale Hollywood → Newark Liberty

Aircraft types

Equipment used on this number

2
B738 BOEING Boeing 737-800
24
B39M BOEING Boeing 737 MAX 9
7

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 UAL1646

30
N76517BOEING Boeing 737-800
→
06/03/2026
3h 15m
No alerts
Replay Analysis
N11206BOEING Boeing 737-800
→
06/02/2026
3h 23m
No alerts
Replay Analysis
N18223BOEING Boeing 737-800
→
06/01/2026
3h 6m
△ Unstable
Replay Analysis
N12238BOEING Boeing 737-800
→
05/31/2026
3h 29m
No alerts
Replay Analysis
N12238BOEING Boeing 737-800
→
05/31/2026
11m
No alerts
Replay Analysis
N76533BOEING Boeing 737-800
→
05/29/2026
3h 0m
No alerts
Replay Analysis
N26232BOEING Boeing 737-800
→
05/28/2026
3h 31m
No alerts
Replay Analysis
N18243BOEING Boeing 737-800
→
05/26/2026
13m
No alerts
Replay Analysis
N33266BOEING Boeing 737-800
→
05/26/2026
3h 6m
No alerts
Replay Analysis
N73278BOEING Boeing 737-800
→
05/24/2026
2h 51m
No alerts
Replay Analysis
N33294BOEING Boeing 737-800
→
05/23/2026
3h 4m
No alerts
Replay Analysis
N76517BOEING Boeing 737-800
→
05/21/2026
1h 53m
No alerts
Replay Analysis
N73276BOEING Boeing 737-800
→
05/20/2026
1h 31m
No alerts
Replay Analysis
N26208BOEING Boeing 737-800
→
05/18/2026
1h 18m
No alerts
Replay Analysis
N26208BOEING Boeing 737-800
→
05/18/2026
20m
No alerts
Replay Analysis
N79521BOEING Boeing 737-800
→
05/17/2026
1h 25m
No alerts
Replay Analysis
N79521BOEING Boeing 737-800
→
05/17/2026
15m
No alerts
Replay Analysis
N77518BOEING Boeing 737-800
→
05/16/2026
1h 14m
No alerts
Replay Analysis
N77518BOEING Boeing 737-800
→
05/15/2026
12m
No alerts
Replay Analysis
N33286BOEING Boeing 737-800
→
05/15/2026
1h 45m
No alerts
Replay Analysis
N76502BOEING Boeing 737-800
→
05/14/2026
1h 27m
No alerts
Replay Analysis
N25201BOEING Boeing 737-800
→
05/13/2026
1h 18m
No alerts
Replay Analysis
N36207BOEING Boeing 737-800
→
05/11/2026
10m
No alerts
Replay Analysis
N33284BOEING Boeing 737-800
→
05/11/2026
1h 21m
No alerts
Replay Analysis
N77559BOEING Boeing 737 MAX 9
→
04/25/2026
2h 40m
No alerts
Replay Analysis
N77572BOEING Boeing 737 MAX 9
→
04/23/2026
2h 46m
No alerts
Replay Analysis
N37535BOEING Boeing 737 MAX 9
→
04/21/2026
2h 56m
No alerts
Replay Analysis
N77582BOEING Boeing 737 MAX 9
→
04/20/2026
2h 57m
No alerts
Replay Analysis
N37522BOEING Boeing 737 MAX 9
→
04/19/2026
2h 43m
No alerts
Replay Analysis
N77544BOEING Boeing 737 MAX 9
→
04/18/2026
3h 0m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window