UAL3873

UNITED AIRLINES INC · MLB → IAH

UAL3873 is operated by UNITED AIRLINES INC between Melbourne International Airport (KMLB) and George Bush Intercontinental Houston Airport (KIAH). The flight is most often flown by a AIRBUS Airbus A321 Neo. Typical block time is 1h 58m. SkyMeter has observed 19 legs of this flight number via ADS-B.

✈
FLIGHTS
19
last 90 days
⏱
AVG DURATION
1h 58m
tracked time
📅
SERVICE PERIOD
06/10/2025 → 08/19/2026
first → last seen
🗺
ROUTES / TYPES
17 / 8
city pairs · airframes
⚠
INCIDENT RATE
5.3%
1 flagged

Routes flown

By count · last 90 days

10
KMLB → KIAH
2
avg 2h 1m · Melbourne → George Bush Intercontinental Houston
KIAB → KDEN
1
avg 1h 15m · Mc Connell Air Force Base → Denver
KORD → KOMA
1
avg 1h 5m · Chicago O'Hare → Eppley Airfield
KEWR → KMLB
1
avg 2h 23m · Newark Liberty → Melbourne
KLCQ → KORD
1
avg 1h 57m · Lake City Gateway → Chicago O'Hare
KDEN → KX59
1
avg 3h 17m · Denver → Valkaria
KMIA → KDEN
1
avg 3h 49m · Miami → Denver
KPNS → KEWR
1
avg 2h 28m · Pensacola → Newark Liberty
KIAH → KIAB
1
avg 1h 14m · George Bush Intercontinental Houston → Mc Connell Air Force Base
KIAB → KIAH
1
avg 1h 12m · Mc Connell Air Force Base → George Bush Intercontinental Houston

Aircraft types

Equipment used on this number

8
A21N AIRBUS Airbus A321 Neo
7
B739 BOEING Boeing 737-900
4
B752 BOEING Boeing 757-200
3
B788 BOEING Boeing 787-8 BBJ/Dreamliner
2
B738 BOEING Boeing 737-800
2
A319 AIRBUS Airbus A319
1
B39M BOEING Boeing 737 MAX 9
1
ST75 ST75
1

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 UAL3873

30
N822UAAIRBUS Airbus A319
→
08/19/2026
3h 16m
△ Low approach-stability score
Replay Analysis
N37470BOEING Boeing 737-900
→
08/09/2026
1h 15m
No alerts
Replay Analysis
N24508AIRBUS Airbus A321 Neo
→
08/05/2026
1h 57m
No alerts
Replay Analysis
N62894BOEING Boeing 737-900
→
07/31/2026
1h 13m
No alerts
Replay Analysis
N75429BOEING Boeing 737-900
→
07/30/2026
1h 12m
No alerts
Replay Analysis
N76504BOEING Boeing 737-800
→
07/26/2026
1h 9m
No alerts
Replay Analysis
N47446BOEING Boeing 737 MAX 9
→
07/20/2026
1h 5m
No alerts
Replay Analysis
N67134BOEING Boeing 757-200
→
07/18/2026
47m
No alerts
Replay Analysis
N67134BOEING Boeing 757-200
→
07/17/2026
1h 40m
No alerts
Replay Analysis
N67134BOEING Boeing 757-200
→
07/17/2026
2h 28m
No alerts
Replay Analysis
N54561ST75
→
07/12/2026
2h 1m
No alerts
Replay Analysis
N34547AIRBUS Airbus A321 Neo
→
07/10/2026
2h 2m
No alerts
Replay Analysis
N14544AIRBUS Airbus A321 Neo
→
06/30/2026
2h 28m
No alerts
Replay Analysis
N14557AIRBUS Airbus A321 Neo
→
06/27/2026
2h 0m
No alerts
Replay Analysis
N68452BOEING Boeing 737-900
→
06/19/2026
3h 48m
No alerts
Replay Analysis
N28912BOEING Boeing 787-8 BBJ/Dreamliner
→
06/14/2026
2h 8m
No alerts
Replay Analysis
N28912BOEING Boeing 787-8 BBJ/Dreamliner
→
06/13/2026
1h 16m
No alerts
Replay Analysis
N14565AIRBUS Airbus A321 Neo
→
06/06/2026
2h 22m
No alerts
Replay Analysis
N34547AIRBUS Airbus A321 Neo
→
06/04/2026
2h 24m
No alerts
Replay Analysis
N24514AIRBUS Airbus A321 Neo
→
06/02/2026
2h 20m
No alerts
Replay Analysis
N33294BOEING Boeing 737-800
→
05/29/2026
1h 8m
No alerts
Replay Analysis
N478UAAIRBUS Airbus A320
→
05/23/2026
3h 5m
No alerts
Replay Analysis
N87442BOEING Boeing 737 MAX 9
→
05/18/2026
36m
No alerts
Replay Analysis
N478UAAIRBUS Airbus A320
→
05/15/2026
50m
No alerts
Replay Analysis
N478UAAIRBUS Airbus A320
→
05/15/2026
3h 43m
No alerts
Replay Analysis
N846UAAIRBUS Airbus A319
→
05/11/2026
1h 14m
No alerts
Replay Analysis
N76519BOEING Boeing 737-800
→
05/08/2026
2h 11m
No alerts
Replay Analysis
N444UAAIRBUS Airbus A320
→
04/30/2026
2h 2m
No alerts
Replay Analysis
N68836BOEING Boeing 737-900
→
04/28/2026
1h 13m
No alerts
Replay Analysis
N14515AIRBUS Airbus A321 Neo
→
04/24/2026
1h 51m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window