UAL3900

UNITED AIRLINES INC · BCN → IAD

UAL3900 is operated by UNITED AIRLINES INC between Barcelona International Airport (LEBL) and Washington Dulles International Airport (KIAD). The flight is most often flown by a BOEING Boeing 777-200. Typical block time is 2h 52m. SkyMeter has observed 34 legs of this flight number via ADS-B.

✈
FLIGHTS
34
last 90 days
⏱
AVG DURATION
2h 52m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/3/2026
first → last seen
🗺
ROUTES / TYPES
30 / 10
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KLAS → KSFO
1
avg 1h 13m · McCarran → San Francisco
KPIT → KORD
1
avg 1h 17m · Pittsburgh → Chicago O'Hare
KORD → KIAH
1
avg 2h 19m · Chicago O'Hare → George Bush Intercontinental Houston
KSMF → KIAH
1
avg 3h 28m · Sacramento → George Bush Intercontinental Houston
KIAH → KABQ
1
avg 1h 57m · George Bush Intercontinental Houston → Albuquerque International Sunport
KIAH → KSFO
1
avg 3h 41m · George Bush Intercontinental Houston → San Francisco
KEWR → KCHS
1
avg 1h 45m · Newark Liberty → Charleston Air Force Base-International
KEWR → KDEN
1
avg 4h 9m · Newark Liberty → Denver
KORD → KDCA
1
avg 1h 51m · Chicago O'Hare → Ronald Reagan Washington National
KMCO → KDEN
1
avg 3h 31m · Orlando → Denver

Aircraft types

Equipment used on this number

10
B772 BOEING Boeing 777-200
8
B752 BOEING Boeing 757-200
4
A319 AIRBUS Airbus A319
4
B738 BOEING Boeing 737-800
4
B763 BOEING Boeing 767-300
3
A320 AIRBUS Airbus A320
3
B77W BOEING Boeing 777-300ER
3
B38M BOEING Boeing 737 MAX 8
3
B764 BOEING Boeing 767-400
2
B39M BOEING Boeing 737 MAX 9
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 UAL3900

30
N76064BOEING Boeing 767-400
→
9/3/2026
9h 14m
No alerts
Replay Analysis
N76055BOEING Boeing 767-400
→
9/2/2026
59m
No alerts
Replay Analysis
N78001BOEING Boeing 777-200
→
9/1/2026
3h 41m
No alerts
Replay Analysis
N649UABOEING Boeing 767-300
→
8/31/2026
9h 3m
No alerts
Replay Analysis
N12012BOEING Boeing 787-10 Dreamliner
→
8/30/2026
3h 50m
No alerts
Replay Analysis
N73256BOEING Boeing 737-800
→
8/29/2026
3h 3m
No alerts
Replay Analysis
N781UABOEING Boeing 777-200
→
8/23/2026
1h 23m
No alerts
Replay Analysis
N465UAAIRBUS Airbus A320
→
8/22/2026
2h 16m
No alerts
Replay Analysis
N87512BOEING Boeing 737-800
→
8/20/2026
3h 31m
No alerts
Replay Analysis
N821UAAIRBUS Airbus A319
→
8/18/2026
2h 10m
No alerts
Replay Analysis
N648UABOEING Boeing 767-300
→
8/11/2026
9h 27m
No alerts
Replay Analysis
N19130BOEING Boeing 757-200
→
8/8/2026
15m
No alerts
Replay Analysis
N19130BOEING Boeing 757-200
→
8/8/2026
22m
No alerts
Replay Analysis
N19130BOEING Boeing 757-200
→
8/8/2026
4h 9m
No alerts
Replay Analysis
N14521AIRBUS Airbus A321 Neo
→
8/2/2026
1h 5m
No alerts
Replay Analysis
N652UABOEING Boeing 767-300
→
8/1/2026
2h 18m
No alerts
Replay Analysis
N804UAAIRBUS Airbus A319
→
7/27/2026
2h 9m
No alerts
Replay Analysis
N2639UBOEING Boeing 777-300ER
→
7/26/2026
1h 0m
No alerts
Replay Analysis
N2639UBOEING Boeing 777-300ER
→
7/25/2026
5h 28m
No alerts
Replay Analysis
N2639UBOEING Boeing 777-300ER
→
7/25/2026
4h 27m
No alerts
Replay Analysis
N37563BOEING Boeing 737 MAX 9
→
7/20/2026
1h 44m
No alerts
Replay Analysis
N4901UAIRBUS Airbus A320
→
7/19/2026
3h 27m
No alerts
Replay Analysis
N14106BOEING Boeing 757-200
→
7/15/2026
2h 1m
No alerts
Replay Analysis
N17574BOEING Boeing 737 MAX 9
→
7/11/2026
45m
No alerts
Replay Analysis
N37474BOEING Boeing 737-900
→
7/6/2026
7h 6m
No alerts
Replay Analysis
N38443BOEING Boeing 737-900
→
7/4/2026
1h 57m
No alerts
Replay Analysis
N875UAAIRBUS Airbus A319
→
7/2/2026
56m
No alerts
Replay Analysis
N218UABOEING Boeing 777-200
→
6/30/2026
1h 46m
No alerts
Replay Analysis
N218UABOEING Boeing 777-200
→
6/29/2026
3h 9m
No alerts
Replay Analysis
N218UABOEING Boeing 777-200
→
6/29/2026
1h 22m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window