UAL8101

UNITED AIRLINES INC · ORD → SFO

UAL8101 is operated by UNITED AIRLINES INC between Chicago O'Hare International Airport (KORD) and San Francisco International Airport (KSFO). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 40m. SkyMeter has observed 34 legs of this flight number via ADS-B.

✈
FLIGHTS
34
last 90 days
⏱
AVG DURATION
2h 40m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
29 / 10
city pairs · airframes
⚠
INCIDENT RATE
8.8%
3 flagged

Routes flown

By count · last 90 days

10
KSFO → KSEA
2
avg 1h 49m · San Francisco → Seattle Tacoma
KSFO → KIAD
2
avg 4h 38m · San Francisco → Washington Dulles
KORD → KSFO
2
avg 4h 25m · Chicago O'Hare → San Francisco
KSFO → KIAH
2
avg 3h 36m · San Francisco → George Bush Intercontinental Houston
KORD → KORF
1
avg 1h 36m · Chicago O'Hare → Norfolk
KSFO → KLAS
1
avg 1h 32m · San Francisco → McCarran
KDEN → KORD
1
avg 2h 15m · Denver → Chicago O'Hare
KORD → KMCI
1
avg 1h 8m · Chicago O'Hare → Kansas City
KDEN → KMTJ
1
avg 1h 11m · Denver → Montrose
KORD → KPNS
1
avg 1h 40m · Chicago O'Hare → Pensacola

Aircraft types

Equipment used on this number

10
B39M BOEING Boeing 737 MAX 9
7
B38M BOEING Boeing 737 MAX 8
7
B753 BOEING Boeing 757-300
7
A21N AIRBUS Airbus A321 Neo
6
B739 BOEING Boeing 737-900
6
B738 BOEING Boeing 737-800
3
B789 BOEING Boeing 787-9 Dreamliner
3
A320 AIRBUS Airbus A320
3
A319 AIRBUS Airbus A319
2
B737 BOEING Boeing 737-700
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
3
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 UAL8101

30
N437UAAIRBUS Airbus A320
→
06/03/2026
13m
No alerts
Replay Analysis
N17406BOEING Boeing 737 MAX 9
→
06/02/2026
5h 10m
No alerts
Replay Analysis
N34455BOEING Boeing 737-900
→
06/02/2026
2h 17m
No alerts
Replay Analysis
N37504BOEING Boeing 737 MAX 9
→
06/01/2026
4h 34m
No alerts
Replay Analysis
N75853BOEING Boeing 757-300
→
06/01/2026
1h 39m
No alerts
Replay Analysis
N75853BOEING Boeing 757-300
→
05/31/2026
3h 0m
No alerts
Replay Analysis
N75853BOEING Boeing 757-300
→
05/31/2026
4h 40m
No alerts
Replay Analysis
N34562AIRBUS Airbus A321 Neo
→
05/28/2026
4h 22m
No alerts
Replay Analysis
N13954BOEING Boeing 787-9 Dreamliner
→
05/27/2026
1h 23m
No alerts
Replay Analysis
N13954BOEING Boeing 787-9 Dreamliner
→
05/26/2026
2h 36m
No alerts
Replay Analysis
N13954BOEING Boeing 787-9 Dreamliner
→
05/26/2026
4h 0m
No alerts
Replay Analysis
N77576BOEING Boeing 737 MAX 9
→
05/26/2026
3h 36m
No alerts
Replay Analysis
N14545AIRBUS Airbus A321 Neo
→
05/25/2026
2h 15m
No alerts
Replay Analysis
N849UAAIRBUS Airbus A319
→
05/24/2026
1h 8m
No alerts
Replay Analysis
N69885BOEING Boeing 737-900
→
05/21/2026
1h 36m
No alerts
Replay Analysis
N75433BOEING Boeing 737-900
→
05/18/2026
5h 24m
No alerts
Replay Analysis
N47570BOEING Boeing 737 MAX 9
→
05/17/2026
3h 35m
No alerts
Replay Analysis
N17335BOEING Boeing 737 MAX 8
→
05/16/2026
1h 32m
No alerts
Replay Analysis
N78285BOEING Boeing 737-800
→
05/14/2026
1h 40m
△ Unstable
Replay Analysis
N78285BOEING Boeing 737-800
→
05/14/2026
8m
No alerts
Replay Analysis
N47282BOEING Boeing 737 MAX 8
→
05/14/2026
3h 27m
No alerts
Replay Analysis
N17229BOEING Boeing 737-800
→
05/11/2026
1h 11m
△ Unstable
Replay Analysis
N27277BOEING Boeing 737 MAX 8
→
05/08/2026
1h 37m
No alerts
Replay Analysis
N38467BOEING Boeing 737-900
→
05/08/2026
56m
No alerts
Replay Analysis
N38467BOEING Boeing 737-900
→
05/07/2026
46m
No alerts
Replay Analysis
N38467BOEING Boeing 737-900
→
05/07/2026
1h 42m
No alerts
Replay Analysis
N17317BOEING Boeing 737 MAX 8
→
05/04/2026
3h 12m
△ Unstable
Replay Analysis
N17317BOEING Boeing 737 MAX 8
→
05/03/2026
1h 54m
No alerts
Replay Analysis
N17317BOEING Boeing 737 MAX 8
→
05/03/2026
5h 7m
△ Unstable
Replay Analysis
N27511BOEING Boeing 737 MAX 9
→
05/03/2026
1h 4m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window