Flight Status & Tracker

UAL2839

UNITED AIRLINES INC · SFO → ORD · Last tracked Oct 18, 2026

UAL2839 is a flight number operated by UNITED AIRLINES INC between San Francisco International Airport (KSFO) and Chicago O'Hare International Airport (KORD). SkyMeter last tracked UAL2839 on October 18, 2026. The flight is most often flown by a AIRBUS Airbus A321 Neo. Typical block time is 2h 30m. SkyMeter has observed 94 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
94
last 90 days
⏱
AVG DURATION
2h 30m
tracked time
📅
SERVICE PERIOD
5/22/2026 → 10/18/2026
first → last seen
🗺
ROUTES / TYPES
14 / 8
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
21
avg 4h 19m · San Francisco → Chicago O'Hare
17
avg 3h 13m · San Francisco → Eppley Airfield
16
avg 1h 30m · San Francisco → McCarran
13
avg 2h 36m · Detroit Metropolitan Wayne County → George Bush Intercontinental Houston
3
avg 1h 41m · Half Moon Bay → McCarran
2
avg 4h 9m · Half Moon Bay → Chicago O'Hare
1
avg 1h 48m · Metropolitan Oakland → McCarran
1
avg 3h 2m · Half Moon Bay → Eppley Airfield
1
avg 3h 16m · San Francisco → Millard
1
avg 1h 18m · Pensacola → George Bush Intercontinental Houston

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 UAL2839

30
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window