Flight Status & Tracker

UAL8278

UNITED AIRLINES INC · SFO → ORD · Last tracked Sep 22, 2026

UAL8278 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 UAL8278 on September 22, 2026. The flight is most often flown by a BOEING Boeing 757-300. Typical block time is 2h 36m. SkyMeter has observed 13 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
13
last 90 days
⏱
AVG DURATION
2h 36m
tracked time
📅
SERVICE PERIOD
5/31/2025 → 9/22/2026
first → last seen
🗺
ROUTES / TYPES
6 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
KSFO → KORD
5
avg 4h 0m · San Francisco → Chicago O'Hare
KSFO → KONT
3
avg 1h 26m · San Francisco → Ontario
KSFO → KSBA
2
avg 1h 0m · San Francisco → Santa Barbara
KHAF → KORD
1
avg 4h 5m · Half Moon Bay → Chicago O'Hare
KSFO → KDFW
1
avg 3h 20m · San Francisco → Dallas Fort Worth

Aircraft types

Equipment used on this number

5
B753 BOEING Boeing 757-300
4
A21N AIRBUS Airbus A321 Neo
3
A320 AIRBUS Airbus A320
3
B739 BOEING Boeing 737-900
2
B38M BOEING Boeing 737 MAX 8
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 UAL8278

30
N37351BOEING Boeing 737 MAX 8
→
9/22/2026
1h 20m
No alerts
Replay Analysis
N39415BOEING Boeing 737-900
→
9/21/2026
1h 28m
No alerts
Replay Analysis
N24537AIRBUS Airbus A321 Neo
→
9/19/2026
11m
No alerts
Replay Analysis
N24537AIRBUS Airbus A321 Neo
→
9/19/2026
4h 13m
No alerts
Replay Analysis
N75410BOEING Boeing 737-900
→
9/18/2026
1h 28m
No alerts
Replay Analysis
N75853BOEING Boeing 757-300
→
9/15/2026
3h 58m
No alerts
Replay Analysis
N14536AIRBUS Airbus A321 Neo
→
8/18/2026
4h 5m
No alerts
Replay Analysis
N75858BOEING Boeing 757-300
→
8/14/2026
4h 3m
No alerts
Replay Analysis
N487UAAIRBUS Airbus A320
→
8/5/2026
1h 3m
No alerts
Replay Analysis
N437UAAIRBUS Airbus A320
→
8/4/2026
3h 20m
No alerts
Replay Analysis
N495UAAIRBUS Airbus A320
→
7/28/2026
58m
No alerts
Replay Analysis
N75853BOEING Boeing 757-300
→
7/18/2026
4h 6m
No alerts
Replay Analysis
N56859BOEING Boeing 757-300
→
7/9/2026
3h 40m
No alerts
Replay Analysis
N78511BOEING Boeing 737-800
→
6/28/2026
1h 32m
No alerts
Replay Analysis
N78511BOEING Boeing 737-800
→
6/28/2026
12m
No alerts
Replay Analysis
N57855BOEING Boeing 757-300
→
6/23/2026
3h 53m
No alerts
Replay Analysis
N57862BOEING Boeing 757-300
→
6/18/2026
4h 11m
No alerts
Replay Analysis
N78501BOEING Boeing 737-800
→
5/26/2026
2h 35m
No alerts
Replay Analysis
N35407BOEING Boeing 737-900
→
5/25/2026
2h 16m
No alerts
Replay Analysis
N77575BOEING Boeing 737 MAX 9
→
4/19/2026
2h 29m
No alerts
Replay Analysis
N14539AIRBUS Airbus A321 Neo
→
4/18/2026
4h 12m
No alerts
Replay Analysis
N33266BOEING Boeing 737-800
→
4/3/2026
2h 28m
No alerts
Replay Analysis
N33266BOEING Boeing 737-800
→
4/3/2026
8m
No alerts
Replay Analysis
N37308BOEING Boeing 737 MAX 8
→
3/18/2026
5h 11m
No alerts
Replay Analysis
N39418BOEING Boeing 737-900
→
3/14/2026
3h 46m
No alerts
Replay Analysis
N67501BOEING Boeing 737 MAX 9
→
2/20/2026
3h 46m
No alerts
Replay Analysis
N67501BOEING Boeing 737 MAX 9
→
2/20/2026
3h 46m
No alerts
Replay Analysis
N17408BOEING Boeing 737 MAX 9
→
2/15/2026
3h 50m
No alerts
Replay Analysis
N17408BOEING Boeing 737 MAX 9
→
2/15/2026
3h 50m
No alerts
Replay Analysis
N27404BOEING Boeing 737 MAX 9
→
2/14/2026
3h 54m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window