Flight Status & Tracker

UAL1851

UNITED AIRLINES INC · MIA → IAH · Last tracked Oct 18, 2026

UAL1851 is a flight number operated by UNITED AIRLINES INC between Miami International Airport (KMIA) and George Bush Intercontinental Houston Airport (KIAH). SkyMeter last tracked UAL1851 on October 18, 2026. The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 1h 31m. SkyMeter has observed 100 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
100
last 90 days
⏱
AVG DURATION
1h 31m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/18/2026
first → last seen
🗺
ROUTES / TYPES
10 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

7
KMIA → KIAH
25
avg 2h 13m · Miami → George Bush Intercontinental Houston
KORD → KMCI
18
avg 1h 10m · Chicago O'Hare → Kansas City
KMSN → KORD
18
avg 41m · Dane County Regional Truax Field → Chicago O'Hare
KORD → KLAS
12
avg 3h 44m · Chicago O'Hare → McCarran
WI94 → KORD
1
avg 37m · Army Guard Heliport → Chicago O'Hare
KORD → KOMA
1
avg 1h 57m · Chicago O'Hare → Eppley Airfield
KOMA → KMCI
1
avg 29m · Eppley Airfield → Kansas City

Aircraft types

Equipment used on this number

5
B739 BOEING Boeing 737-900
56
B738 BOEING Boeing 737-800
33
B737 BOEING Boeing 737-700
18
B39M BOEING Boeing 737 MAX 9
12
B38M BOEING Boeing 737 MAX 8
3

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 UAL1851

30
N16732BOEING Boeing 737-700
→
10/18/2026
57m
No alerts
Replay Analysis
N37534BOEING Boeing 737 MAX 9
→
10/17/2026
6m
No alerts
Replay Analysis
N37534BOEING Boeing 737 MAX 9
→
10/16/2026
40m
No alerts
Replay Analysis
N17753BOEING Boeing 737-700
→
10/16/2026
24m
No alerts
Replay Analysis
N17753BOEING Boeing 737-700
→
10/15/2026
30m
No alerts
Replay Analysis
N13720BOEING Boeing 737-700
→
10/12/2026
32m
No alerts
Replay Analysis
N39461BOEING Boeing 737-900
→
10/10/2026
36m
No alerts
Replay Analysis
N23707BOEING Boeing 737-700
→
10/9/2026
49m
No alerts
Replay Analysis
N16709BOEING Boeing 737-700
→
10/9/2026
52m
No alerts
Replay Analysis
N15712BOEING Boeing 737-700
→
10/7/2026
38m
No alerts
Replay Analysis
N39728BOEING Boeing 737-700
→
10/6/2026
1h 2m
No alerts
Replay Analysis
N13750BOEING Boeing 737-700
→
10/5/2026
9m
No alerts
Replay Analysis
N13750BOEING Boeing 737-700
→
10/5/2026
29m
No alerts
Replay Analysis
N15751BOEING Boeing 737-700
→
10/4/2026
1h 1m
No alerts
Replay Analysis
N77261BOEING Boeing 737-800
→
10/4/2026
36m
No alerts
Replay Analysis
N33262BOEING Boeing 737-800
→
10/3/2026
8m
No alerts
Replay Analysis
N33262BOEING Boeing 737-800
→
10/3/2026
29m
No alerts
Replay Analysis
N38727BOEING Boeing 737-700
→
10/2/2026
41m
No alerts
Replay Analysis
N14735BOEING Boeing 737-700
→
10/1/2026
26m
No alerts
Replay Analysis
N14735BOEING Boeing 737-700
→
9/30/2026
41m
No alerts
Replay Analysis
N14735BOEING Boeing 737-700
→
9/30/2026
6m
No alerts
Replay Analysis
N14735BOEING Boeing 737-700
→
9/29/2026
35m
No alerts
Replay Analysis
N21723BOEING Boeing 737-700
→
9/28/2026
36m
No alerts
Replay Analysis
N21723BOEING Boeing 737-700
→
9/28/2026
24m
No alerts
Replay Analysis
N27255BOEING Boeing 737 MAX 8
→
9/27/2026
17m
No alerts
Replay Analysis
N27255BOEING Boeing 737 MAX 8
→
9/26/2026
41m
No alerts
Replay Analysis
N77518BOEING Boeing 737-800
→
9/25/2026
14m
No alerts
Replay Analysis
N77518BOEING Boeing 737-800
→
9/24/2026
38m
No alerts
Replay Analysis
N75436BOEING Boeing 737-900
→
9/24/2026
7m
No alerts
Replay Analysis
N75436BOEING Boeing 737-900
→
9/24/2026
14m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window