UAL2851

UNITED AIRLINES INC · SFO → PDX

UAL2851 is operated by UNITED AIRLINES INC between San Francisco International Airport (KSFO) and Portland International Airport (KPDX). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 44m. SkyMeter has observed 78 legs of this flight number via ADS-B.

✈
FLIGHTS
78
last 90 days
⏱
AVG DURATION
2h 44m
tracked time
📅
SERVICE PERIOD
05/31/2025 → 08/17/2026
first → last seen
🗺
ROUTES / TYPES
14 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

9
KSFO → KPDX
26
avg 1h 43m · San Francisco → Portland
KSFO → KTPA
17
avg 5h 15m · San Francisco → Tampa
KBTV → KORD
11
avg 2h 6m · Burlington → Chicago O'Hare
KHAF → KPDX
5
avg 1h 42m · Half Moon Bay → Portland
KDEN → KFLL
4
avg 3h 35m · Denver → Fort Lauderdale Hollywood
KORD → KSTL
2
avg 1h 13m · Chicago O'Hare → St Louis Lambert
US-0188 → KTPA
1
avg 5h 15m · Coast Guard Air Station San Francisco → Tampa
US-0188 → KPDX
1
avg 1h 45m · Coast Guard Air Station San Francisco → Portland
KHAF → KTPA
1
avg 5h 3m · Half Moon Bay → Tampa

Aircraft types

Equipment used on this number

5
B39M BOEING Boeing 737 MAX 9
104
B38M BOEING Boeing 737 MAX 8
12
B739 BOEING Boeing 737-900
11
A320 AIRBUS Airbus A320
7
B738 BOEING Boeing 737-800
3

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 UAL2851

30
N435UAAIRBUS Airbus A320
→
08/17/2026
1h 47m
No alerts
Replay Analysis
N452UAAIRBUS Airbus A320
→
08/16/2026
2h 27m
No alerts
Replay Analysis
N37507BOEING Boeing 737 MAX 9
→
08/15/2026
1h 55m
No alerts
Replay Analysis
N464UAAIRBUS Airbus A320
→
08/14/2026
1h 38m
No alerts
Replay Analysis
N442UAAIRBUS Airbus A320
→
08/13/2026
1h 52m
No alerts
Replay Analysis
N69819BOEING Boeing 737-900
→
08/11/2026
1h 7m
No alerts
Replay Analysis
N69819BOEING Boeing 737-900
→
08/10/2026
31m
No alerts
Replay Analysis
N69819BOEING Boeing 737-900
→
08/10/2026
1h 39m
No alerts
Replay Analysis
N37273BOEING Boeing 737-800
→
08/10/2026
34m
No alerts
Replay Analysis
N37273BOEING Boeing 737-800
→
08/09/2026
57m
No alerts
Replay Analysis
N37273BOEING Boeing 737-800
→
08/09/2026
1h 32m
No alerts
Replay Analysis
N37502BOEING Boeing 737 MAX 9
→
08/09/2026
5h 14m
No alerts
Replay Analysis
N37555BOEING Boeing 737 MAX 9
→
08/08/2026
3h 22m
No alerts
Replay Analysis
N37555BOEING Boeing 737 MAX 9
→
08/07/2026
2h 23m
No alerts
Replay Analysis
N37555BOEING Boeing 737 MAX 9
→
08/07/2026
5h 46m
No alerts
Replay Analysis
N37523BOEING Boeing 737 MAX 9
→
08/06/2026
1h 40m
No alerts
Replay Analysis
N77598BOEING Boeing 737 MAX 9
→
08/05/2026
1h 47m
No alerts
Replay Analysis
N57466BOEING Boeing 737 MAX 9
→
08/05/2026
18m
No alerts
Replay Analysis
N57466BOEING Boeing 737 MAX 9
→
08/04/2026
1h 26m
No alerts
Replay Analysis
N57466BOEING Boeing 737 MAX 9
→
08/04/2026
1h 7m
No alerts
Replay Analysis
N77426BOEING Boeing 737 MAX 9
→
08/03/2026
1h 48m
No alerts
Replay Analysis
N17279BOEING Boeing 737 MAX 8
→
08/03/2026
30m
No alerts
Replay Analysis
N17279BOEING Boeing 737 MAX 8
→
08/02/2026
1h 7m
No alerts
Replay Analysis
N17279BOEING Boeing 737 MAX 8
→
08/02/2026
1h 38m
No alerts
Replay Analysis
N37530BOEING Boeing 737 MAX 9
→
08/02/2026
27m
No alerts
Replay Analysis
N37530BOEING Boeing 737 MAX 9
→
08/01/2026
6m
No alerts
Replay Analysis
N37561BOEING Boeing 737 MAX 9
→
08/01/2026
2h 51m
No alerts
Replay Analysis
N37561BOEING Boeing 737 MAX 9
→
07/31/2026
2h 20m
No alerts
Replay Analysis
N37561BOEING Boeing 737 MAX 9
→
07/31/2026
5h 11m
No alerts
Replay Analysis
N37562BOEING Boeing 737 MAX 9
→
07/30/2026
1h 45m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window