UAL1820 is operated by UNITED AIRLINES INC between Loudoun Hospital Center Heliport (34VA) and Washington Dulles International Airport (KIAD). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 1h 31m. SkyMeter has observed 99 legs of this flight number via ADS-B.

✈
FLIGHTS
99
last 90 days
⏱
AVG DURATION
1h 31m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
11 / 2
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

9
26VA → KIAD
3
avg 11m · Fairfax County Police Heliport → Washington Dulles
34VA → KIAD
3
avg 9m · Loudoun Hospital Center Heliport → Washington Dulles
VA54 → KIAD
2
avg 8m · Crippen's Heliport → Washington Dulles
5VA4 → KIAD
2
avg 11m · Reston Hospital Center Heliport → Washington Dulles
KHEF → KIAD
2
avg 9m · Manassas Regional Airport/Harry P. Davis Field → Washington Dulles
13VA → KIAD
1
avg 14m · State Police Area 48 Office Heliport → Washington Dulles
MBPV → KIAD
1
avg 2h 42m · Providenciales → Washington Dulles
3VA5 → KIAD
1
avg 14m · Goose Hunt Farm → Washington Dulles
4VA2 → KIAD
1
avg 16m · Potomac Hospital Helistop → Washington Dulles

Aircraft types

Equipment used on this number

2
B39M BOEING Boeing 737 MAX 9
120
B739 BOEING Boeing 737-900
11

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 UAL1820

30
N17589BOEING Boeing 737 MAX 9
→
07/19/2026
1h 4m
No alerts
Replay Analysis
N37532BOEING Boeing 737 MAX 9
→
07/19/2026
20m
No alerts
Replay Analysis
N37532BOEING Boeing 737 MAX 9
→
07/18/2026
51m
No alerts
Replay Analysis
N37532BOEING Boeing 737 MAX 9
→
07/18/2026
1h 12m
No alerts
Replay Analysis
N17423BOEING Boeing 737 MAX 9
→
07/16/2026
7h 18m
No alerts
Replay Analysis
N17574BOEING Boeing 737 MAX 9
→
07/15/2026
7h 27m
No alerts
Replay Analysis
N17438BOEING Boeing 737 MAX 9
→
07/14/2026
5m
No alerts
Replay Analysis
N77585BOEING Boeing 737 MAX 9
→
07/13/2026
7m
No alerts
Replay Analysis
N87442BOEING Boeing 737 MAX 9
→
07/11/2026
46m
No alerts
Replay Analysis
N77543BOEING Boeing 737 MAX 9
→
07/10/2026
7h 7m
No alerts
Replay Analysis
N37513BOEING Boeing 737 MAX 9
→
07/10/2026
20m
No alerts
Replay Analysis
N27421BOEING Boeing 737-900
→
07/08/2026
7h 18m
No alerts
Replay Analysis
N66814BOEING Boeing 737-900
→
07/08/2026
18m
No alerts
Replay Analysis
N66814BOEING Boeing 737-900
→
07/07/2026
35m
No alerts
Replay Analysis
N66814BOEING Boeing 737-900
→
07/07/2026
54m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
07/07/2026
11m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
07/06/2026
57m
No alerts
Replay Analysis
N57416BOEING Boeing 737 MAX 9
→
07/06/2026
59m
No alerts
Replay Analysis
N57416BOEING Boeing 737 MAX 9
→
07/05/2026
45m
No alerts
Replay Analysis
N57416BOEING Boeing 737 MAX 9
→
07/05/2026
1h 45m
No alerts
Replay Analysis
N17597BOEING Boeing 737 MAX 9
→
07/05/2026
1h 5m
No alerts
Replay Analysis
N17597BOEING Boeing 737 MAX 9
→
07/04/2026
2h 7m
No alerts
Replay Analysis
N17597BOEING Boeing 737 MAX 9
→
07/04/2026
1h 2m
No alerts
Replay Analysis
N17402BOEING Boeing 737 MAX 9
→
07/03/2026
47m
No alerts
Replay Analysis
N17408BOEING Boeing 737 MAX 9
→
07/03/2026
8m
No alerts
Replay Analysis
N17408BOEING Boeing 737 MAX 9
→
07/02/2026
53m
No alerts
Replay Analysis
N17408BOEING Boeing 737 MAX 9
→
07/02/2026
1h 2m
No alerts
Replay Analysis
N17428BOEING Boeing 737 MAX 9
→
07/01/2026
2h 43m
No alerts
Replay Analysis
N77576BOEING Boeing 737 MAX 9
→
06/30/2026
57m
No alerts
Replay Analysis
N17422BOEING Boeing 737 MAX 9
→
06/30/2026
33m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window