Flight Status & Tracker

UAL2831

UNITED AIRLINES INC · SEA → SFO · Last tracked Oct 10, 2026

UAL2831 is a flight number operated by UNITED AIRLINES INC between Seattle Tacoma International Airport (KSEA) and San Francisco International Airport (KSFO). SkyMeter last tracked UAL2831 on October 10, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 43m. SkyMeter has observed 141 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
141
last 90 days
⏱
AVG DURATION
2h 43m
tracked time
📅
SERVICE PERIOD
5/21/2026 → 10/10/2026
first → last seen
🗺
ROUTES / TYPES
7 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

4
KSEA → KSFO
73
avg 2h 13m · Seattle Tacoma → San Francisco
KSFO → KIAH
36
avg 3h 58m · San Francisco → George Bush Intercontinental Houston
KHAF → KIAH
5
avg 4h 5m · Half Moon Bay → George Bush Intercontinental Houston
US-0188 → KIAH
1
avg 4h 11m · Coast Guard Air Station San Francisco → George Bush Intercontinental Houston

Aircraft types

Equipment used on this number

5
B39M BOEING Boeing 737 MAX 9
131
A320 AIRBUS Airbus A320
82
B739 BOEING Boeing 737-900
5
A21N AIRBUS Airbus A321 Neo
4
A319 AIRBUS Airbus A319
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 UAL2831

30
N27476BOEING Boeing 737 MAX 9
→
10/10/2026
2h 25m
No alerts
Replay Analysis
N485UAAIRBUS Airbus A320
→
10/10/2026
1h 57m
No alerts
Replay Analysis
N17414BOEING Boeing 737 MAX 9
→
10/10/2026
59m
No alerts
Replay Analysis
N17414BOEING Boeing 737 MAX 9
→
10/9/2026
2h 38m
No alerts
Replay Analysis
N17414BOEING Boeing 737 MAX 9
→
10/9/2026
3h 37m
No alerts
Replay Analysis
N441UAAIRBUS Airbus A320
→
10/9/2026
2h 14m
No alerts
Replay Analysis
N77426BOEING Boeing 737 MAX 9
→
10/9/2026
1h 5m
No alerts
Replay Analysis
N77426BOEING Boeing 737 MAX 9
→
10/8/2026
2h 33m
No alerts
Replay Analysis
N77426BOEING Boeing 737 MAX 9
→
10/8/2026
3h 39m
No alerts
Replay Analysis
N493UAAIRBUS Airbus A320
→
10/8/2026
1h 57m
No alerts
Replay Analysis
N37540BOEING Boeing 737 MAX 9
→
10/8/2026
45m
No alerts
Replay Analysis
N37540BOEING Boeing 737 MAX 9
→
10/7/2026
2h 40m
No alerts
Replay Analysis
N37540BOEING Boeing 737 MAX 9
→
10/7/2026
3h 26m
No alerts
Replay Analysis
N480UAAIRBUS Airbus A320
→
10/7/2026
2h 13m
No alerts
Replay Analysis
N37545BOEING Boeing 737 MAX 9
→
10/7/2026
1h 31m
No alerts
Replay Analysis
N37545BOEING Boeing 737 MAX 9
→
10/6/2026
2h 31m
No alerts
Replay Analysis
N37545BOEING Boeing 737 MAX 9
→
10/6/2026
4h 2m
No alerts
Replay Analysis
N1902UAIRBUS Airbus A320
→
10/6/2026
2h 9m
No alerts
Replay Analysis
N87442BOEING Boeing 737 MAX 9
→
10/6/2026
1h 4m
No alerts
Replay Analysis
N87442BOEING Boeing 737 MAX 9
→
10/5/2026
3h 39m
No alerts
Replay Analysis
N87442BOEING Boeing 737 MAX 9
→
10/5/2026
2h 34m
No alerts
Replay Analysis
N474UAAIRBUS Airbus A320
→
10/5/2026
2h 12m
No alerts
Replay Analysis
N77471BOEING Boeing 737 MAX 9
→
10/5/2026
1h 15m
No alerts
Replay Analysis
N77471BOEING Boeing 737 MAX 9
→
10/4/2026
3h 48m
No alerts
Replay Analysis
N77471BOEING Boeing 737 MAX 9
→
10/4/2026
2h 33m
No alerts
Replay Analysis
N444UAAIRBUS Airbus A320
→
10/4/2026
2h 22m
No alerts
Replay Analysis
N17564BOEING Boeing 737 MAX 9
→
10/4/2026
51m
No alerts
Replay Analysis
N17564BOEING Boeing 737 MAX 9
→
10/3/2026
2h 40m
No alerts
Replay Analysis
N17564BOEING Boeing 737 MAX 9
→
10/3/2026
3h 32m
No alerts
Replay Analysis
N488UAAIRBUS Airbus A320
→
10/3/2026
2h 23m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window