UAL3878

UNITED AIRLINES INC · MLB → IAH

UAL3878 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 2h 22m. SkyMeter has observed 24 legs of this flight number via ADS-B.

✈
FLIGHTS
24
last 90 days
⏱
AVG DURATION
2h 22m
tracked time
📅
SERVICE PERIOD
05/31/2025 → 08/20/2026
first → last seen
🗺
ROUTES / TYPES
21 / 10
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KIAH → KMLB
2
avg 1h 56m · George Bush Intercontinental Houston → Melbourne
KMLB → KIAH
2
avg 1h 55m · Melbourne → George Bush Intercontinental Houston
KRFD → KORD
2
avg 25m · Chicago Rockford → Chicago O'Hare
KIAB → KDEN
1
avg 1h 12m · Mc Connell Air Force Base → Denver
KRFD → KDEN
1
avg 2h 17m · Chicago Rockford → Denver
KGSO → KORD
1
avg 1h 26m · Piedmont Triad → Chicago O'Hare
KEWR → KINT
1
avg 1h 20m · Newark Liberty → Smith Reynolds
5NC7 → KORD
1
avg 1h 36m · Nc Baptist Hospital Heliport → Chicago O'Hare
KEWR → KMCO
1
avg 3h 24m · Newark Liberty → Orlando
KMLB → KEWR
1
avg 2h 14m · Melbourne → Newark Liberty

Aircraft types

Equipment used on this number

10
A21N AIRBUS Airbus A321 Neo
5
B739 BOEING Boeing 737-900
5
B738 BOEING Boeing 737-800
4
B38M BOEING Boeing 737 MAX 8
3
B737 BOEING Boeing 737-700
3
B789 BOEING Boeing 787-9 Dreamliner
1
B753 BOEING Boeing 757-300
1
B39M BOEING Boeing 737 MAX 9
1
A319 AIRBUS Airbus A319
1
B752 BOEING Boeing 757-200
1

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 UAL3878

30
N14507AIRBUS Airbus A321 Neo
→
08/20/2026
2h 0m
No alerts
Replay Analysis
N33714BOEING Boeing 737-700
→
08/17/2026
3h 5m
No alerts
Replay Analysis
N14536AIRBUS Airbus A321 Neo
→
08/14/2026
1h 51m
No alerts
Replay Analysis
N86534BOEING Boeing 737-800
→
08/12/2026
1h 3m
No alerts
Replay Analysis
N28457BOEING Boeing 737-900
→
08/07/2026
1h 24m
No alerts
Replay Analysis
N34562AIRBUS Airbus A321 Neo
→
08/05/2026
2h 14m
No alerts
Replay Analysis
N14566AIRBUS Airbus A321 Neo
→
08/03/2026
2h 33m
No alerts
Replay Analysis
N37518BOEING Boeing 737 MAX 9
→
07/26/2026
2h 37m
No alerts
Replay Analysis
N13716BOEING Boeing 737-700
→
07/24/2026
2h 1m
No alerts
Replay Analysis
N15969BOEING Boeing 787-9 Dreamliner
→
07/20/2026
11h 4m
No alerts
Replay Analysis
N12125BOEING Boeing 757-200
→
07/17/2026
2h 25m
No alerts
Replay Analysis
N828UAAIRBUS Airbus A319
→
07/13/2026
3h 2m
No alerts
Replay Analysis
N24729BOEING Boeing 737-700
→
07/10/2026
3h 38m
No alerts
Replay Analysis
N63820BOEING Boeing 737-900
→
07/02/2026
1h 20m
No alerts
Replay Analysis
N18223BOEING Boeing 737-800
→
06/30/2026
24m
No alerts
Replay Analysis
N17301BOEING Boeing 737 MAX 8
→
06/27/2026
2h 21m
No alerts
Replay Analysis
N17301BOEING Boeing 737 MAX 8
→
06/26/2026
1h 2m
No alerts
Replay Analysis
N17301BOEING Boeing 737 MAX 8
→
06/26/2026
3h 24m
No alerts
Replay Analysis
N18223BOEING Boeing 737-800
→
06/23/2026
2h 17m
No alerts
Replay Analysis
N13227BOEING Boeing 737-800
→
06/20/2026
26m
No alerts
Replay Analysis
N53442BOEING Boeing 737-900
→
06/17/2026
1h 12m
No alerts
Replay Analysis
N14549AIRBUS Airbus A321 Neo
→
06/08/2026
1h 50m
No alerts
Replay Analysis
N73860BOEING Boeing 757-300
→
06/04/2026
1h 26m
No alerts
Replay Analysis
N75426BOEING Boeing 737-900
→
06/02/2026
1h 28m
No alerts
Replay Analysis
N492UAAIRBUS Airbus A320
→
05/29/2026
1h 36m
No alerts
Replay Analysis
N75432BOEING Boeing 737-900
→
05/26/2026
2h 37m
No alerts
Replay Analysis
N38424BOEING Boeing 737-900
→
05/23/2026
1h 27m
No alerts
Replay Analysis
N37470BOEING Boeing 737-900
→
05/19/2026
1h 17m
No alerts
Replay Analysis
N37456BOEING Boeing 737-900
→
05/15/2026
1h 17m
No alerts
Replay Analysis
N25705BOEING Boeing 737-700
→
05/11/2026
32m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window