UAL8109

UNITED AIRLINES INC · IAH → SFO

UAL8109 is operated by UNITED AIRLINES INC between George Bush Intercontinental Houston Airport (KIAH) and San Francisco International Airport (KSFO). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 2h 31m. SkyMeter has observed 40 legs of this flight number via ADS-B.

✈
FLIGHTS
40
last 90 days
⏱
AVG DURATION
2h 31m
tracked time
📅
SERVICE PERIOD
6/6/2025 → 8/13/2026
first → last seen
🗺
ROUTES / TYPES
31 / 9
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KIAH → KSFO
3
avg 3h 39m · George Bush Intercontinental Houston → San Francisco
KSFO → KIAD
2
avg 5h 14m · San Francisco → Washington Dulles
KPIT → KLAX
2
avg 4h 45m · Pittsburgh → Los Angeles
KDEN → KOMA
2
avg 1h 32m · Denver → Eppley Airfield
KSFO → KLAX
2
avg 1h 16m · San Francisco → Los Angeles
KORD → KSFO
1
avg 4h 19m · Chicago O'Hare → San Francisco
IL79 → KSFO
1
avg 4h 1m · Presence Resurrection Medical Center Heliport → San Francisco
KEWR → KLAS
1
avg 5h 46m · Newark Liberty → McCarran
KSFO → KATL
1
avg 4h 55m · San Francisco → Hartsfield Jackson Atlanta
KBNA → KORD
1
avg 1h 22m · Nashville → Chicago O'Hare

Aircraft types

Equipment used on this number

9
B739 BOEING Boeing 737-900
13
B39M BOEING Boeing 737 MAX 9
13
B38M BOEING Boeing 737 MAX 8
9
A21N AIRBUS Airbus A321 Neo
5
B738 BOEING Boeing 737-800
5
A320 AIRBUS Airbus A320
4
B772 BOEING Boeing 777-200
3
A319 AIRBUS Airbus A319
1
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 UAL8109

30
N69804BOEING Boeing 737-900
→
8/14/2026
36m
No alerts
Replay Analysis
N69804BOEING Boeing 737-900
→
8/13/2026
1h 46m
No alerts
Replay Analysis
N69804BOEING Boeing 737-900
→
8/13/2026
2h 27m
No alerts
Replay Analysis
N14506AIRBUS Airbus A321 Neo
→
8/10/2026
4h 19m
No alerts
Replay Analysis
N14506AIRBUS Airbus A321 Neo
→
8/10/2026
9m
No alerts
Replay Analysis
N478UAAIRBUS Airbus A320
→
8/7/2026
50m
No alerts
Replay Analysis
N12238BOEING Boeing 737-800
→
8/4/2026
2h 43m
No alerts
Replay Analysis
N66848BOEING Boeing 737-900
→
8/2/2026
2h 24m
No alerts
Replay Analysis
N854UAAIRBUS Airbus A319
→
8/2/2026
1h 9m
No alerts
Replay Analysis
N24736BOEING Boeing 737-700
→
7/29/2026
1h 10m
No alerts
Replay Analysis
N37525BOEING Boeing 737 MAX 9
→
7/29/2026
4h 55m
No alerts
Replay Analysis
N17333BOEING Boeing 737 MAX 8
→
7/28/2026
4h 31m
No alerts
Replay Analysis
N17333BOEING Boeing 737 MAX 8
→
7/27/2026
1h 14m
No alerts
Replay Analysis
N17333BOEING Boeing 737 MAX 8
→
7/27/2026
5h 46m
No alerts
Replay Analysis
N54241BOEING Boeing 737-800
→
7/25/2026
1h 35m
No alerts
Replay Analysis
N37504BOEING Boeing 737 MAX 9
→
7/22/2026
2h 39m
No alerts
Replay Analysis
N781UABOEING Boeing 777-200
→
7/21/2026
1h 52m
No alerts
Replay Analysis
N781UABOEING Boeing 777-200
→
7/20/2026
3h 46m
No alerts
Replay Analysis
N781UABOEING Boeing 777-200
→
7/20/2026
5h 39m
No alerts
Replay Analysis
N77581BOEING Boeing 737 MAX 9
→
7/19/2026
5h 42m
No alerts
Replay Analysis
N75428BOEING Boeing 737-900
→
7/19/2026
2h 20m
No alerts
Replay Analysis
N17233BOEING Boeing 737-800
→
7/18/2026
2h 42m
No alerts
Replay Analysis
N76502BOEING Boeing 737-800
→
7/17/2026
11m
No alerts
Replay Analysis
N76502BOEING Boeing 737-800
→
7/17/2026
2h 7m
No alerts
Replay Analysis
N77584BOEING Boeing 737 MAX 9
→
7/16/2026
3h 30m
No alerts
Replay Analysis
N14560AIRBUS Airbus A321 Neo
→
7/12/2026
4h 1m
No alerts
Replay Analysis
N14560AIRBUS Airbus A321 Neo
→
7/11/2026
8m
No alerts
Replay Analysis
N17356BOEING Boeing 737 MAX 8
→
7/11/2026
3h 43m
No alerts
Replay Analysis
N17356BOEING Boeing 737 MAX 8
→
7/10/2026
54m
No alerts
Replay Analysis
N17356BOEING Boeing 737 MAX 8
→
7/10/2026
4h 38m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window