UAL8156

UNITED AIRLINES INC · SFO → ORD

UAL8156 is operated by UNITED AIRLINES INC between San Francisco International Airport (KSFO) and Chicago O'Hare International Airport (KORD). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 3h 14m. SkyMeter has observed 10 legs of this flight number via ADS-B.

✈
FLIGHTS
10
last 90 days
⏱
AVG DURATION
3h 14m
tracked time
📅
SERVICE PERIOD
04/12/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
9 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

8
KSFO → KORD
2
avg 4h 7m · San Francisco → Chicago O'Hare
KSFO → KBOS
1
avg 5h 27m · San Francisco → General Edward Lawrence Logan
KIAH → KSEA
1
avg 4h 9m · George Bush Intercontinental Houston → Seattle Tacoma
KORD → CYYC
1
avg 3h 4m · Chicago O'Hare → Calgary
KDEN → KBOS
1
avg 3h 49m · Denver → General Edward Lawrence Logan
KORD → KEWR
1
avg 1h 50m · Chicago O'Hare → Newark Liberty
KORD → KPSP
1
avg 4h 10m · Chicago O'Hare → Palm Springs
KIAH → KBNA
1
avg 1h 33m · George Bush Intercontinental Houston → Nashville

Aircraft types

Equipment used on this number

5
B39M BOEING Boeing 737 MAX 9
4
A21N AIRBUS Airbus A321 Neo
2
B738 BOEING Boeing 737-800
2
B38M BOEING Boeing 737 MAX 8
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 10 operations of UAL8156

10
N54711BOEING Boeing 737-700
→
06/03/2026
1h 33m
No alerts
Replay Analysis
N17339BOEING Boeing 737 MAX 8
→
06/02/2026
3h 49m
No alerts
Replay Analysis
N37273BOEING Boeing 737-800
→
05/26/2026
3h 4m
No alerts
Replay Analysis
N17401BOEING Boeing 737 MAX 9
→
05/24/2026
1h 50m
No alerts
Replay Analysis
N17401BOEING Boeing 737 MAX 9
→
05/24/2026
6m
No alerts
Replay Analysis
N17565BOEING Boeing 737 MAX 9
→
05/21/2026
5h 26m
No alerts
Replay Analysis
N37522BOEING Boeing 737 MAX 9
→
05/03/2026
4h 8m
No alerts
Replay Analysis
N33286BOEING Boeing 737-800
→
04/14/2026
4h 9m
No alerts
Replay Analysis
N14549AIRBUS Airbus A321 Neo
→
04/13/2026
4h 5m
No alerts
Replay Analysis
N14541AIRBUS Airbus A321 Neo
→
04/12/2026
4h 10m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window