Flight Status & Tracker

UAL3878

UMB BANK NA TRUSTEE · MLB → IAH · Last tracked Oct 22, 2026

UAL3878 is a flight number operated by UMB BANK NA TRUSTEE between Melbourne International Airport (KMLB) and George Bush Intercontinental Houston Airport (KIAH). SkyMeter last tracked UAL3878 on October 22, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 12m. SkyMeter has observed 19 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
19
last 90 days
⏱
AVG DURATION
2h 12m
tracked time
📅
SERVICE PERIOD
5/31/2025 → 10/22/2026
first → last seen
🗺
ROUTES / TYPES
17 / 7
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KMLB → KIAH
3
avg 2h 0m · Melbourne → George Bush Intercontinental Houston
KRFD → KORD
1
avg 27m · Chicago Rockford → Chicago O'Hare
KMLB → KEWR
1
avg 2h 14m · Melbourne → Newark Liberty
KPNS → KEWR
1
avg 2h 14m · Pensacola → Newark Liberty
KEWR → KSAT
1
avg 3h 47m · Newark Liberty → San Antonio
KIAB → KIAH
1
avg 1h 25m · Mc Connell Air Force Base → George Bush Intercontinental Houston
KORD → KMLB
1
avg 2h 34m · Chicago O'Hare → Melbourne
KEWR → KMIA
1
avg 3h 5m · Newark Liberty → Miami
KMLB → KORD
1
avg 2h 24m · Melbourne → Chicago O'Hare
KINT → KORD
1
avg 1h 43m · Smith Reynolds → Chicago O'Hare

Aircraft types

Equipment used on this number

7
B39M BOEING Boeing 737 MAX 9
6
A21N AIRBUS Airbus A321 Neo
4
B77W BOEING Boeing 777-300ER
3
B738 BOEING Boeing 737-800
3
B737 BOEING Boeing 737-700
2
B739 BOEING Boeing 737-900
2
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
N12221BOEING Boeing 737-800
→
10/22/2026
26m
No alerts
Replay Analysis
N17719BOEING Boeing 737-700
→
10/20/2026
1h 42m
No alerts
Replay Analysis
N61115
→
10/15/2026
3h 21m
No alerts
Replay Analysis
N17126BOEING Boeing 757-200
→
10/8/2026
2h 13m
No alerts
Replay Analysis
N37502BOEING Boeing 737 MAX 9
→
10/6/2026
1h 2m
No alerts
Replay Analysis
N37513BOEING Boeing 737 MAX 9
→
10/3/2026
2h 11m
No alerts
Replay Analysis
N2747UBOEING Boeing 777-300ER
→
9/30/2026
1h 47m
No alerts
Replay Analysis
N2747UBOEING Boeing 777-300ER
→
9/30/2026
1h 58m
No alerts
Replay Analysis
N2747UBOEING Boeing 777-300ER
→
9/30/2026
3h 46m
No alerts
Replay Analysis
N66814BOEING Boeing 737-900
→
9/13/2026
1h 16m
No alerts
Replay Analysis
N64572
→
9/9/2026
2h 24m
No alerts
Replay Analysis
N27474BOEING Boeing 737 MAX 9
→
8/30/2026
4h 0m
No alerts
Replay Analysis
N27474BOEING Boeing 737 MAX 9
→
8/30/2026
59m
No alerts
Replay Analysis
N27474BOEING Boeing 737 MAX 9
→
8/30/2026
5h 0m
No alerts
Replay Analysis
N73276BOEING Boeing 737-800
→
8/25/2026
1h 48m
No alerts
Replay Analysis
N14507AIRBUS Airbus A321 Neo
→
8/20/2026
2h 0m
No alerts
Replay Analysis
N33714BOEING Boeing 737-700
→
8/17/2026
3h 5m
No alerts
Replay Analysis
N14536AIRBUS Airbus A321 Neo
→
8/14/2026
1h 51m
No alerts
Replay Analysis
N86534BOEING Boeing 737-800
→
8/12/2026
1h 3m
No alerts
Replay Analysis
N28457BOEING Boeing 737-900
→
8/7/2026
1h 24m
No alerts
Replay Analysis
N34562AIRBUS Airbus A321 Neo
→
8/5/2026
2h 14m
No alerts
Replay Analysis
N14566AIRBUS Airbus A321 Neo
→
8/3/2026
2h 33m
No alerts
Replay Analysis
N37518BOEING Boeing 737 MAX 9
→
7/26/2026
2h 37m
No alerts
Replay Analysis
N13716BOEING Boeing 737-700
→
7/24/2026
2h 1m
No alerts
Replay Analysis
N15969BOEING Boeing 787-9 Dreamliner
→
7/20/2026
11h 4m
No alerts
Replay Analysis
N12125BOEING Boeing 757-200
→
7/17/2026
2h 25m
No alerts
Replay Analysis
N828UAAIRBUS Airbus A319
→
7/13/2026
3h 2m
No alerts
Replay Analysis
N24729BOEING Boeing 737-700
→
7/10/2026
3h 38m
No alerts
Replay Analysis
N63820BOEING Boeing 737-900
→
7/2/2026
1h 20m
No alerts
Replay Analysis
N18223BOEING Boeing 737-800
→
6/30/2026
24m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window