UAL2851

UNITED AIRLINES INC · SEA → IAD

UAL2851 is operated by UNITED AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Washington Dulles International Airport (KIAD). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 3h 25m. SkyMeter has observed 72 legs of this flight number via ADS-B.

✈
FLIGHTS
72
last 90 days
⏱
AVG DURATION
3h 25m
tracked time
📅
SERVICE PERIOD
05/31/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
14 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

8
KSEA → KIAD
17
avg 4h 51m · Seattle Tacoma → Washington Dulles
KSFO → KTPA
15
avg 5h 11m · San Francisco → Tampa
KSFO → KPDX
12
avg 1h 46m · San Francisco → Portland
KBTV → KORD
11
avg 2h 6m · Burlington → Chicago O'Hare
KDEN → KFLL
4
avg 3h 35m · Denver → Fort Lauderdale Hollywood
KHAF → KPDX
2
avg 1h 40m · Half Moon Bay → Portland
KORD → KSTL
2
avg 1h 13m · Chicago O'Hare → St Louis Lambert
KHAF → KTPA
1
avg 5h 3m · Half Moon Bay → Tampa

Aircraft types

Equipment used on this number

4
B39M BOEING Boeing 737 MAX 9
76
B739 BOEING Boeing 737-900
26
B38M BOEING Boeing 737 MAX 8
7
A320 AIRBUS Airbus A320
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
N17320BOEING Boeing 737 MAX 8
→
07/19/2026
42m
No alerts
Replay Analysis
N77590BOEING Boeing 737 MAX 9
→
07/19/2026
4h 29m
No alerts
Replay Analysis
N77590BOEING Boeing 737 MAX 9
→
07/18/2026
43m
No alerts
Replay Analysis
N77590BOEING Boeing 737 MAX 9
→
07/18/2026
5h 13m
No alerts
Replay Analysis
N77544BOEING Boeing 737 MAX 9
→
07/18/2026
3h 24m
No alerts
Replay Analysis
N77544BOEING Boeing 737 MAX 9
→
07/17/2026
2h 22m
No alerts
Replay Analysis
N77544BOEING Boeing 737 MAX 9
→
07/17/2026
5h 47m
No alerts
Replay Analysis
N37445BOEING Boeing 737 MAX 9
→
07/16/2026
1h 42m
No alerts
Replay Analysis
N37450BOEING Boeing 737 MAX 9
→
07/15/2026
1h 30m
No alerts
Replay Analysis
N37447BOEING Boeing 737 MAX 9
→
07/14/2026
1h 50m
No alerts
Replay Analysis
N37502BOEING Boeing 737 MAX 9
→
07/13/2026
1h 38m
No alerts
Replay Analysis
N47434BOEING Boeing 737 MAX 9
→
07/12/2026
2h 45m
No alerts
Replay Analysis
N47434BOEING Boeing 737 MAX 9
→
07/11/2026
5h 9m
No alerts
Replay Analysis
N47434BOEING Boeing 737 MAX 9
→
07/11/2026
2h 24m
No alerts
Replay Analysis
N37551BOEING Boeing 737 MAX 9
→
07/11/2026
3h 4m
No alerts
Replay Analysis
N37551BOEING Boeing 737 MAX 9
→
07/10/2026
2h 9m
No alerts
Replay Analysis
N37551BOEING Boeing 737 MAX 9
→
07/10/2026
5h 14m
No alerts
Replay Analysis
N57416BOEING Boeing 737 MAX 9
→
07/09/2026
2h 2m
No alerts
Replay Analysis
N17458BOEING Boeing 737 MAX 9
→
07/08/2026
1h 32m
No alerts
Replay Analysis
N27539BOEING Boeing 737 MAX 9
→
07/07/2026
1h 40m
No alerts
Replay Analysis
N17448BOEING Boeing 737 MAX 9
→
07/06/2026
1h 54m
No alerts
Replay Analysis
N37278BOEING Boeing 737 MAX 8
→
07/06/2026
47m
No alerts
Replay Analysis
N37278BOEING Boeing 737 MAX 8
→
07/05/2026
1h 35m
No alerts
Replay Analysis
N37278BOEING Boeing 737 MAX 8
→
07/05/2026
47m
No alerts
Replay Analysis
N17427BOEING Boeing 737 MAX 9
→
07/05/2026
2h 39m
No alerts
Replay Analysis
N17427BOEING Boeing 737 MAX 9
→
07/04/2026
5h 7m
No alerts
Replay Analysis
N17427BOEING Boeing 737 MAX 9
→
07/04/2026
2h 28m
No alerts
Replay Analysis
N17452BOEING Boeing 737 MAX 9
→
07/04/2026
3h 2m
No alerts
Replay Analysis
N17452BOEING Boeing 737 MAX 9
→
07/03/2026
2h 16m
No alerts
Replay Analysis
N17452BOEING Boeing 737 MAX 9
→
07/03/2026
5h 18m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window