UAL8121

UNITED AIRLINES INC · FLL → IAD

UAL8121 is operated by UNITED AIRLINES INC between Fort Lauderdale Hollywood International Airport (KFLL) and Washington Dulles International Airport (KIAD). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 19m. SkyMeter has observed 46 legs of this flight number via ADS-B.

✈
FLIGHTS
46
last 90 days
⏱
AVG DURATION
2h 19m
tracked time
📅
SERVICE PERIOD
05/29/2025 → 08/21/2026
first → last seen
🗺
ROUTES / TYPES
42 / 9
city pairs · airframes
⚠
INCIDENT RATE
2.2%
1 flagged

Routes flown

By count · last 90 days

10
KFLL → KIAD
2
avg 2h 16m · Fort Lauderdale Hollywood → Washington Dulles
KSFO → KLAX
2
avg 58m · San Francisco → Los Angeles
KORD → KIAD
1
avg 1h 52m · Chicago O'Hare → Washington Dulles
KSEA → KMSN
1
avg 4h 1m · Seattle Tacoma → Dane County Regional Truax Field
US-0263 → KBOS
1
avg 2h 8m · Ravenswood → General Edward Lawrence Logan
KORD → KATL
1
avg 1h 59m · Chicago O'Hare → Hartsfield Jackson Atlanta
KSFO → KORD
1
avg 4h 3m · San Francisco → Chicago O'Hare
KORD → KMSP
1
avg 1h 7m · Chicago O'Hare → Minneapolis-St Paul International/Wold-Chamberlain
KFLL → KSFO
1
avg 5h 45m · Fort Lauderdale Hollywood → San Francisco
KIAH → KATL
1
avg 1h 42m · George Bush Intercontinental Houston → Hartsfield Jackson Atlanta

Aircraft types

Equipment used on this number

9
B39M BOEING Boeing 737 MAX 9
14
B738 BOEING Boeing 737-800
9
B739 BOEING Boeing 737-900
9
A21N AIRBUS Airbus A321 Neo
7
B38M BOEING Boeing 737 MAX 8
6
A319 AIRBUS Airbus A319
4
B753 BOEING Boeing 757-300
4
A320 AIRBUS Airbus A320
3
B737 BOEING Boeing 737-700
2

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 UAL8121

30
N47284BOEING Boeing 737 MAX 8
→
08/21/2026
3h 8m
No alerts
Replay Analysis
N47412BOEING Boeing 737 MAX 9
→
08/18/2026
26m
No alerts
Replay Analysis
N37466BOEING Boeing 737-900
→
08/17/2026
4h 7m
No alerts
Replay Analysis
N37466BOEING Boeing 737-900
→
08/17/2026
5m
No alerts
Replay Analysis
N17422BOEING Boeing 737 MAX 9
→
08/15/2026
1h 28m
No alerts
Replay Analysis
N77871BOEING Boeing 757-300
→
08/14/2026
13m
No alerts
Replay Analysis
N77871BOEING Boeing 757-300
→
08/14/2026
4h 2m
No alerts
Replay Analysis
N12216BOEING Boeing 737-800
→
08/14/2026
2h 6m
No alerts
Replay Analysis
N74856BOEING Boeing 757-300
→
08/12/2026
2h 4m
No alerts
Replay Analysis
N847UAAIRBUS Airbus A319
→
08/12/2026
1h 7m
No alerts
Replay Analysis
N832UAAIRBUS Airbus A319
→
08/11/2026
1h 24m
No alerts
Replay Analysis
N77261BOEING Boeing 737-800
→
08/10/2026
55m
No alerts
Replay Analysis
N77261BOEING Boeing 737-800
→
08/10/2026
3h 31m
No alerts
Replay Analysis
N77261BOEING Boeing 737-800
→
08/09/2026
4h 0m
No alerts
Replay Analysis
N77261BOEING Boeing 737-800
→
08/09/2026
29m
No alerts
Replay Analysis
N37420BOEING Boeing 737-900
→
08/07/2026
2h 37m
No alerts
Replay Analysis
N38479BOEING Boeing 737-900
→
08/05/2026
2h 25m
No alerts
Replay Analysis
N17423BOEING Boeing 737 MAX 9
→
08/04/2026
2h 7m
No alerts
Replay Analysis
N77525BOEING Boeing 737-800
→
07/30/2026
2h 28m
No alerts
Replay Analysis
N47414BOEING Boeing 737-900
→
07/28/2026
49m
No alerts
Replay Analysis
N17574BOEING Boeing 737 MAX 9
→
07/28/2026
1h 2m
No alerts
Replay Analysis
N17574BOEING Boeing 737 MAX 9
→
07/27/2026
2h 2m
No alerts
Replay Analysis
N17574BOEING Boeing 737 MAX 9
→
07/27/2026
3h 5m
No alerts
Replay Analysis
N57286BOEING Boeing 737 MAX 8
→
07/23/2026
2h 43m
△ Low approach-stability score
Replay Analysis
N57286BOEING Boeing 737 MAX 8
→
07/22/2026
1h 11m
No alerts
Replay Analysis
N57286BOEING Boeing 737 MAX 8
→
07/22/2026
3h 54m
△ Low approach-stability score
Replay Analysis
N17229BOEING Boeing 737-800
→
07/14/2026
1h 42m
No alerts
Replay Analysis
N37527BOEING Boeing 737 MAX 9
→
07/12/2026
5h 28m
No alerts
Replay Analysis
N66837BOEING Boeing 737-900
→
07/11/2026
2h 16m
No alerts
Replay Analysis
N17245BOEING Boeing 737-800
→
07/10/2026
2h 10m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window