UAL1646

UNITED AIRLINES INC · DEN → BWI

UAL1646 is operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and Baltimore/Washington International Thurgood Marshall Airport (KBWI). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 57m. SkyMeter has observed 99 legs of this flight number via ADS-B.

✈
FLIGHTS
99
last 90 days
⏱
AVG DURATION
2h 57m
tracked time
📅
SERVICE PERIOD
06/16/2025 → 08/21/2026
first → last seen
🗺
ROUTES / TYPES
8 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

6
KDEN → KBWI
43
avg 3h 20m · Denver → Baltimore/Washington International Thurgood Marshall
KDEN → KRIC
30
avg 3h 9m · Denver → Richmond
PHNL → KSFO
8
avg 4h 52m · Daniel K Inouye → San Francisco
22CO → KBWI
1
avg 2h 56m · Flying E → Baltimore/Washington International Thurgood Marshall
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

5
B39M BOEING Boeing 737 MAX 9
49
B738 BOEING Boeing 737-800
44
B772 BOEING Boeing 777-200
16
B739 BOEING Boeing 737-900
4
B38M BOEING Boeing 737 MAX 8
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
N773UABOEING Boeing 777-200
→
08/21/2026
4h 45m
No alerts
Replay Analysis
N213UABOEING Boeing 777-200
→
08/19/2026
4h 25m
No alerts
Replay Analysis
N210UABOEING Boeing 777-200
→
08/18/2026
4h 22m
No alerts
Replay Analysis
N210UABOEING Boeing 777-200
→
08/17/2026
15m
No alerts
Replay Analysis
N210UABOEING Boeing 777-200
→
08/17/2026
4h 38m
No alerts
Replay Analysis
N222UABOEING Boeing 777-200
→
08/17/2026
5h 1m
No alerts
Replay Analysis
N774UABOEING Boeing 777-200
→
08/16/2026
4h 55m
No alerts
Replay Analysis
N781UABOEING Boeing 777-200
→
08/15/2026
4h 38m
No alerts
Replay Analysis
N781UABOEING Boeing 777-200
→
08/14/2026
4h 59m
No alerts
Replay Analysis
N781UABOEING Boeing 777-200
→
08/14/2026
21m
No alerts
Replay Analysis
N213UABOEING Boeing 777-200
→
08/14/2026
4h 54m
No alerts
Replay Analysis
N213UABOEING Boeing 777-200
→
08/13/2026
5h 26m
No alerts
Replay Analysis
N213UABOEING Boeing 777-200
→
08/13/2026
31m
No alerts
Replay Analysis
N774UABOEING Boeing 777-200
→
08/12/2026
58m
No alerts
Replay Analysis
N774UABOEING Boeing 777-200
→
08/11/2026
16m
No alerts
Replay Analysis
N774UABOEING Boeing 777-200
→
08/11/2026
4h 49m
No alerts
Replay Analysis
N37447BOEING Boeing 737 MAX 9
→
08/11/2026
3h 29m
No alerts
Replay Analysis
N66808BOEING Boeing 737-900
→
08/10/2026
2h 56m
No alerts
Replay Analysis
N66808BOEING Boeing 737-900
→
08/09/2026
16m
No alerts
Replay Analysis
N66808BOEING Boeing 737-900
→
08/09/2026
3h 12m
No alerts
Replay Analysis
N73256BOEING Boeing 737-800
→
08/09/2026
57m
No alerts
Replay Analysis
N73256BOEING Boeing 737-800
→
08/08/2026
2h 10m
No alerts
Replay Analysis
N73256BOEING Boeing 737-800
→
08/08/2026
3h 8m
No alerts
Replay Analysis
N77558BOEING Boeing 737 MAX 9
→
08/08/2026
3h 24m
No alerts
Replay Analysis
N27503BOEING Boeing 737 MAX 9
→
08/07/2026
2h 56m
No alerts
Replay Analysis
N27503BOEING Boeing 737 MAX 9
→
08/06/2026
19m
No alerts
Replay Analysis
N36280BOEING Boeing 737-800
→
08/06/2026
1h 33m
No alerts
Replay Analysis
N36280BOEING Boeing 737-800
→
08/05/2026
3h 37m
No alerts
Replay Analysis
N36280BOEING Boeing 737-800
→
08/05/2026
2h 3m
No alerts
Replay Analysis
N33284BOEING Boeing 737-800
→
08/05/2026
1h 28m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window