Flight Status & Tracker

UAL8181

UNITED AIRLINES INC · SFO → SAT · Last tracked Oct 19, 2026

UAL8181 is a flight number operated by UNITED AIRLINES INC between San Francisco International Airport (KSFO) and San Antonio International Airport (KSAT). SkyMeter last tracked UAL8181 on October 19, 2026. The flight is most often flown by a AIRBUS Airbus A319. Typical block time is 2h 15m. SkyMeter has observed 26 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
26
last 90 days
⏱
AVG DURATION
2h 15m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/19/2026
first → last seen
🗺
ROUTES / TYPES
20 / 8
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KSFO → KSAT
3
avg 3h 22m · San Francisco → San Antonio
KEWR → KCLE
1
avg 1h 23m · Newark Liberty → Cleveland Hopkins
KIAH → KTPA
1
avg 1h 51m · George Bush Intercontinental Houston → Tampa
KORD → KSYR
1
avg 1h 27m · Chicago O'Hare → Syracuse Hancock
KDEN → CYEG
1
avg 2h 34m · Denver → Edmonton
KSEA → KIAH
1
avg 4h 4m · Seattle Tacoma → George Bush Intercontinental Houston
KEWR → KMCO
1
avg 3h 26m · Newark Liberty → Orlando
KORD → KSAN
1
avg 4h 10m · Chicago O'Hare → San Diego
KSNA → KIAD
1
avg 4h 33m · John Wayne Airport-Orange County → Washington Dulles
KSNA → KSFO
1
avg 1h 21m · John Wayne Airport-Orange County → San Francisco

Aircraft types

Equipment used on this number

8
A319 AIRBUS Airbus A319
7
B739 BOEING Boeing 737-900
7
B39M BOEING Boeing 737 MAX 9
7
A320 AIRBUS Airbus A320
6
B38M BOEING Boeing 737 MAX 8
5
B738 BOEING Boeing 737-800
3
A21N AIRBUS Airbus A321 Neo
2
B737 BOEING Boeing 737-700
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 UAL8181

30
N17337BOEING Boeing 737 MAX 8
→
10/19/2026
2h 14m
No alerts
Replay Analysis
N34455BOEING Boeing 737-900
→
10/16/2026
49m
No alerts
Replay Analysis
N17599BOEING Boeing 737 MAX 9
→
10/1/2026
2h 38m
No alerts
Replay Analysis
N872UAAIRBUS Airbus A319
→
9/26/2026
2h 49m
No alerts
Replay Analysis
N872UAAIRBUS Airbus A319
→
9/26/2026
3h 16m
No alerts
Replay Analysis
N872UAAIRBUS Airbus A319
→
9/26/2026
26m
No alerts
Replay Analysis
N23721BOEING Boeing 737-700
→
9/20/2026
4h 32m
No alerts
Replay Analysis
N851UAAIRBUS Airbus A319
→
9/20/2026
59m
No alerts
Replay Analysis
N851UAAIRBUS Airbus A319
→
9/20/2026
1h 26m
No alerts
Replay Analysis
N851UAAIRBUS Airbus A319
→
9/20/2026
27m
No alerts
Replay Analysis
N851UAAIRBUS Airbus A319
→
9/20/2026
9m
No alerts
Replay Analysis
N37420BOEING Boeing 737-900
→
9/17/2026
4h 3m
No alerts
Replay Analysis
N37541BOEING Boeing 737 MAX 9
→
9/12/2026
29m
No alerts
Replay Analysis
N37541BOEING Boeing 737 MAX 9
→
9/12/2026
1h 23m
No alerts
Replay Analysis
N37541BOEING Boeing 737 MAX 9
→
9/12/2026
53m
No alerts
Replay Analysis
N447UAAIRBUS Airbus A320
→
9/4/2026
3h 15m
No alerts
Replay Analysis
N47505BOEING Boeing 737 MAX 9
→
8/29/2026
3h 7m
No alerts
Replay Analysis
N68802BOEING Boeing 737-900
→
8/28/2026
2h 32m
No alerts
Replay Analysis
N68802BOEING Boeing 737-900
→
8/28/2026
53m
No alerts
Replay Analysis
N68802BOEING Boeing 737-900
→
8/28/2026
3h 26m
No alerts
Replay Analysis
N36272BOEING Boeing 737-800
→
8/24/2026
2h 34m
No alerts
Replay Analysis
N488UAAIRBUS Airbus A320
→
8/21/2026
3h 17m
No alerts
Replay Analysis
N479UAAIRBUS Airbus A320
→
8/18/2026
2h 56m
No alerts
Replay Analysis
N479UAAIRBUS Airbus A320
→
8/18/2026
37m
No alerts
Replay Analysis
N479UAAIRBUS Airbus A320
→
8/18/2026
3h 33m
No alerts
Replay Analysis
N461UAAIRBUS Airbus A320
→
8/17/2026
48m
No alerts
Replay Analysis
N57299BOEING Boeing 737 MAX 8
→
8/10/2026
1h 21m
No alerts
Replay Analysis
N37449BOEING Boeing 737 MAX 9
→
8/8/2026
7m
No alerts
Replay Analysis
N37449BOEING Boeing 737 MAX 9
→
8/8/2026
10m
No alerts
Replay Analysis
N14511AIRBUS Airbus A321 Neo
→
8/7/2026
4h 9m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window