UAL2251

UNITED AIRLINES INC · ORD → SFO

UAL2251 is operated by UNITED AIRLINES INC between Chicago O'Hare International Airport (KORD) and San Francisco International Airport (KSFO). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 53m. SkyMeter has observed 28 legs of this flight number via ADS-B.

✈
FLIGHTS
28
last 90 days
⏱
AVG DURATION
2h 53m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
4 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

2
KORD → KSFO
11
avg 4h 27m · Chicago O'Hare → San Francisco
KMCO → KEWR
4
avg 2h 15m · Orlando → Newark Liberty

Aircraft types

Equipment used on this number

3
B39M BOEING Boeing 737 MAX 9
23
B739 BOEING Boeing 737-900
14
A21N AIRBUS Airbus A321 Neo
11

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 UAL2251

30
N27477BOEING Boeing 737-900
→
06/03/2026
2h 6m
No alerts
Replay Analysis
N17591BOEING Boeing 737 MAX 9
→
06/03/2026
1h 42m
No alerts
Replay Analysis
N17591BOEING Boeing 737 MAX 9
→
06/02/2026
2h 31m
No alerts
Replay Analysis
N17591BOEING Boeing 737 MAX 9
→
06/02/2026
4h 31m
No alerts
Replay Analysis
N17591BOEING Boeing 737 MAX 9
→
06/02/2026
17m
No alerts
Replay Analysis
N37464BOEING Boeing 737-900
→
06/02/2026
2h 3m
No alerts
Replay Analysis
N37464BOEING Boeing 737-900
→
06/01/2026
2h 25m
No alerts
Replay Analysis
N37464BOEING Boeing 737-900
→
06/01/2026
4h 30m
No alerts
Replay Analysis
N17597BOEING Boeing 737 MAX 9
→
06/01/2026
1h 45m
No alerts
Replay Analysis
N17597BOEING Boeing 737 MAX 9
→
05/31/2026
2h 29m
No alerts
Replay Analysis
N17597BOEING Boeing 737 MAX 9
→
05/31/2026
4h 16m
No alerts
Replay Analysis
N57416BOEING Boeing 737 MAX 9
→
05/31/2026
1h 34m
No alerts
Replay Analysis
N17565BOEING Boeing 737 MAX 9
→
05/29/2026
2h 17m
No alerts
Replay Analysis
N37522BOEING Boeing 737 MAX 9
→
05/29/2026
3h 31m
No alerts
Replay Analysis
N37522BOEING Boeing 737 MAX 9
→
05/28/2026
29m
No alerts
Replay Analysis
N37522BOEING Boeing 737 MAX 9
→
05/28/2026
5m
No alerts
Replay Analysis
N37522BOEING Boeing 737 MAX 9
→
05/28/2026
4h 53m
No alerts
Replay Analysis
N28457BOEING Boeing 737-900
→
05/28/2026
1h 34m
No alerts
Replay Analysis
B737-M9BOEING Boeing 737 MAX 9
→
05/26/2026
2h 32m
No alerts
Replay Analysis
N69806BOEING Boeing 737-900
→
05/26/2026
2h 26m
No alerts
Replay Analysis
N69806BOEING Boeing 737-900
→
05/25/2026
1h 39m
No alerts
Replay Analysis
N69806BOEING Boeing 737-900
→
05/25/2026
4h 6m
No alerts
Replay Analysis
N37527BOEING Boeing 737 MAX 9
→
05/25/2026
1h 47m
No alerts
Replay Analysis
N37527BOEING Boeing 737 MAX 9
→
05/24/2026
4h 5m
No alerts
Replay Analysis
N37527BOEING Boeing 737 MAX 9
→
05/24/2026
2h 18m
No alerts
Replay Analysis
N37516BOEING Boeing 737 MAX 9
→
05/24/2026
1h 36m
No alerts
Replay Analysis
N37516BOEING Boeing 737 MAX 9
→
05/23/2026
2h 33m
No alerts
Replay Analysis
N37516BOEING Boeing 737 MAX 9
→
05/23/2026
4h 9m
No alerts
Replay Analysis
N37474BOEING Boeing 737-900
→
05/23/2026
1h 41m
No alerts
Replay Analysis
N37474BOEING Boeing 737-900
→
05/22/2026
46m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window