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 21m. SkyMeter has observed 98 legs of this flight number via ADS-B.

✈
FLIGHTS
98
last 90 days
⏱
AVG DURATION
2h 21m
tracked time
📅
SERVICE PERIOD
06/16/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
8 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

6
KDEN → KRIC
32
avg 3h 11m · Denver → Richmond
KDEN → KBWI
22
avg 3h 21m · Denver → Baltimore/Washington International Thurgood Marshall
KDEN → KOKC
17
avg 1h 29m · Denver → Will Rogers World
KFLL → KEWR
7
avg 2h 44m · Fort Lauderdale Hollywood → Newark Liberty
KCMH → KBWI
1
avg 56m · John Glenn Columbus → Baltimore/Washington International Thurgood Marshall
KDEN → KCMH
1
avg 2h 32m · Denver → John Glenn Columbus

Aircraft types

Equipment used on this number

4
B738 BOEING Boeing 737-800
64
B39M BOEING Boeing 737 MAX 9
32
B38M BOEING Boeing 737 MAX 8
2
B739 BOEING Boeing 737-900
2

Safety profile

Flagged flights · last 90 days

Go-arounds
0
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 UAL1646

30
N77579BOEING Boeing 737 MAX 9
→
07/19/2026
3h 19m
No alerts
Replay Analysis
N37530BOEING Boeing 737 MAX 9
→
07/18/2026
3h 10m
No alerts
Replay Analysis
N37561BOEING Boeing 737 MAX 9
→
07/17/2026
3h 30m
No alerts
Replay Analysis
N37561BOEING Boeing 737 MAX 9
→
07/16/2026
16m
No alerts
Replay Analysis
N17421BOEING Boeing 737 MAX 9
→
07/16/2026
3h 39m
No alerts
Replay Analysis
N47533BOEING Boeing 737 MAX 9
→
07/15/2026
3h 23m
No alerts
Replay Analysis
N17441BOEING Boeing 737 MAX 9
→
07/14/2026
3h 22m
No alerts
Replay Analysis
N17529BOEING Boeing 737 MAX 9
→
07/13/2026
3h 0m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
07/12/2026
2h 59m
No alerts
Replay Analysis
N27586BOEING Boeing 737 MAX 9
→
07/11/2026
3h 14m
No alerts
Replay Analysis
N27586BOEING Boeing 737 MAX 9
→
07/11/2026
33m
No alerts
Replay Analysis
N77587BOEING Boeing 737 MAX 9
→
07/10/2026
3h 52m
No alerts
Replay Analysis
N37518BOEING Boeing 737 MAX 9
→
07/09/2026
3h 13m
No alerts
Replay Analysis
N47446BOEING Boeing 737 MAX 9
→
07/08/2026
3h 36m
No alerts
Replay Analysis
N47446BOEING Boeing 737 MAX 9
→
07/07/2026
55m
No alerts
Replay Analysis
N47446BOEING Boeing 737 MAX 9
→
07/07/2026
2h 31m
No alerts
Replay Analysis
N87442BOEING Boeing 737 MAX 9
→
07/06/2026
3h 16m
No alerts
Replay Analysis
N17423BOEING Boeing 737 MAX 9
→
07/04/2026
3h 41m
No alerts
Replay Analysis
N17595BOEING Boeing 737 MAX 9
→
07/03/2026
3h 21m
No alerts
Replay Analysis
N17595BOEING Boeing 737 MAX 9
→
07/02/2026
3h 20m
No alerts
Replay Analysis
N37449BOEING Boeing 737 MAX 9
→
07/01/2026
3h 31m
No alerts
Replay Analysis
N37449BOEING Boeing 737 MAX 9
→
06/30/2026
3h 0m
No alerts
Replay Analysis
N17591BOEING Boeing 737 MAX 9
→
06/29/2026
3h 15m
No alerts
Replay Analysis
N47517BOEING Boeing 737 MAX 9
→
06/28/2026
3h 40m
No alerts
Replay Analysis
N17420BOEING Boeing 737 MAX 9
→
06/27/2026
3h 8m
No alerts
Replay Analysis
N57409BOEING Boeing 737 MAX 9
→
06/26/2026
3h 8m
No alerts
Replay Analysis
N77295BOEING Boeing 737-800
→
06/25/2026
3h 9m
No alerts
Replay Analysis
N37325BOEING Boeing 737 MAX 8
→
06/24/2026
3h 0m
No alerts
Replay Analysis
N37325BOEING Boeing 737 MAX 8
→
06/23/2026
11m
No alerts
Replay Analysis
N78501BOEING Boeing 737-800
→
06/23/2026
2h 59m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window