Flight Status & Tracker

UAL2478

UNITED AIRLINES INC · SEA → SFO · Last tracked Oct 20, 2026

UAL2478 is a flight number operated by UNITED AIRLINES INC between Seattle Tacoma International Airport (KSEA) and San Francisco International Airport (KSFO). SkyMeter last tracked UAL2478 on October 20, 2026. The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 1h 44m. SkyMeter has observed 127 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
127
last 90 days
⏱
AVG DURATION
1h 44m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/20/2026
first → last seen
🗺
ROUTES / TYPES
11 / 6
city pairs · airframes
⚠
INCIDENT RATE
1.6%
2 flagged

Routes flown

By count · last 90 days

7
KSEA → KSFO
49
avg 2h 5m · Seattle Tacoma → San Francisco
KSFO → KONT
34
avg 1h 21m · San Francisco → Ontario
KLAS → KSFO
14
avg 1h 39m · McCarran → San Francisco
KSFO → KDFW
7
avg 3h 23m · San Francisco → Dallas Fort Worth
KHAF → KDFW
2
avg 3h 31m · Half Moon Bay → Dallas Fort Worth
US-2773 → KSFO
2
avg 8m · Ravenswood Substation Helipad → San Francisco
KHAF → KONT
2
avg 1h 15m · Half Moon Bay → Ontario

Aircraft types

Equipment used on this number

6
B739 BOEING Boeing 737-900
107
A319 AIRBUS Airbus A319
49
A320 AIRBUS Airbus A320
18
B38M BOEING Boeing 737 MAX 8
17
B738 BOEING Boeing 737-800
17
B39M BOEING Boeing 737 MAX 9
14

Safety profile

Flagged flights · last 90 days

Go-arounds
2
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 UAL2478

30
N814UAAIRBUS Airbus A319
→
10/20/2026
1h 34m
No alerts
Replay Analysis
N814UAAIRBUS Airbus A319
→
10/20/2026
1h 8m
No alerts
Replay Analysis
N835UAAIRBUS Airbus A319
→
10/18/2026
16m
No alerts
Replay Analysis
N811UAAIRBUS Airbus A319
→
10/17/2026
24m
No alerts
Replay Analysis
N811UAAIRBUS Airbus A319
→
10/17/2026
2h 23m
No alerts
Replay Analysis
N811UAAIRBUS Airbus A319
→
10/17/2026
1h 58m
No alerts
Replay Analysis
N818UAAIRBUS Airbus A319
→
10/16/2026
1h 24m
No alerts
Replay Analysis
N818UAAIRBUS Airbus A319
→
10/16/2026
25m
No alerts
Replay Analysis
N818UAAIRBUS Airbus A319
→
10/16/2026
1h 57m
No alerts
Replay Analysis
N818UAAIRBUS Airbus A319
→
10/16/2026
1h 31m
No alerts
Replay Analysis
N849UAAIRBUS Airbus A319
→
10/15/2026
1h 17m
No alerts
Replay Analysis
N458UAAIRBUS Airbus A320
→
10/15/2026
12m
No alerts
Replay Analysis
N831UAAIRBUS Airbus A319
→
10/11/2026
33m
No alerts
Replay Analysis
N4888UAIRBUS Airbus A319
→
10/10/2026
2h 7m
No alerts
Replay Analysis
N839UAAIRBUS Airbus A319
→
10/9/2026
1h 44m
No alerts
Replay Analysis
N4888UAIRBUS Airbus A319
→
10/9/2026
49m
No alerts
Replay Analysis
N4888UAIRBUS Airbus A319
→
10/9/2026
1h 40m
No alerts
Replay Analysis
N4888UAIRBUS Airbus A319
→
10/9/2026
2h 30m
No alerts
Replay Analysis
N814UAAIRBUS Airbus A319
→
10/8/2026
1h 17m
No alerts
Replay Analysis
N480UAAIRBUS Airbus A320
→
10/8/2026
9m
No alerts
Replay Analysis
N480UAAIRBUS Airbus A320
→
10/8/2026
1h 45m
No alerts
Replay Analysis
N818UAAIRBUS Airbus A319
→
10/7/2026
1h 15m
No alerts
Replay Analysis
N453UAAIRBUS Airbus A320
→
10/7/2026
20m
No alerts
Replay Analysis
N453UAAIRBUS Airbus A320
→
10/7/2026
1h 37m
No alerts
Replay Analysis
N453UAAIRBUS Airbus A320
→
10/7/2026
1h 59m
No alerts
Replay Analysis
N806UAAIRBUS Airbus A319
→
10/6/2026
1h 11m
No alerts
Replay Analysis
N806UAAIRBUS Airbus A319
→
10/6/2026
39m
No alerts
Replay Analysis
N806UAAIRBUS Airbus A319
→
10/6/2026
1h 24m
No alerts
Replay Analysis
N806UAAIRBUS Airbus A319
→
10/6/2026
2h 4m
No alerts
Replay Analysis
N839UAAIRBUS Airbus A319
→
10/5/2026
1h 14m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window