Flight Status & Tracker

UAL2251

UNITED AIRLINES INC · ORD → SFO · Last tracked Oct 21, 2026

UAL2251 is a flight number operated by UNITED AIRLINES INC between Chicago O'Hare International Airport (KORD) and San Francisco International Airport (KSFO). SkyMeter last tracked UAL2251 on October 21, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 3h 27m. SkyMeter has observed 113 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
113
last 90 days
⏱
AVG DURATION
3h 27m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/21/2026
first → last seen
🗺
ROUTES / TYPES
7 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.9%
1 flagged

Routes flown

By count · last 90 days

4
KORD → KSFO
51
avg 4h 25m · Chicago O'Hare → San Francisco
KRDM → KLAX
21
avg 1h 50m · Roberts Field → Los Angeles
KLAX → KCMH
17
avg 4h 9m · Los Angeles → John Glenn Columbus
US-1410 → KCMH
1
avg 4h 43m · Sheraton Gateway Los Angeles Hotel Helipad → John Glenn Columbus

Aircraft types

Equipment used on this number

3
B39M BOEING Boeing 737 MAX 9
127
B738 BOEING Boeing 737-800
43
B739 BOEING Boeing 737-900
40

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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
N78524BOEING Boeing 737-800
→
10/21/2026
3h 50m
No alerts
Replay Analysis
N12238BOEING Boeing 737-800
→
10/18/2026
1h 41m
No alerts
Replay Analysis
N87527BOEING Boeing 737-800
→
10/16/2026
4h 43m
No alerts
Replay Analysis
N37437BOEING Boeing 737-900
→
10/16/2026
1h 45m
No alerts
Replay Analysis
N54241BOEING Boeing 737-800
→
10/15/2026
3h 59m
△ Low approach-stability score
Replay Analysis
N36207BOEING Boeing 737-800
→
10/15/2026
1h 50m
No alerts
Replay Analysis
N33289BOEING Boeing 737-800
→
10/14/2026
4h 4m
No alerts
Replay Analysis
N78506BOEING Boeing 737-800
→
10/13/2026
3h 52m
No alerts
Replay Analysis
N78506BOEING Boeing 737-800
→
10/13/2026
1h 39m
No alerts
Replay Analysis
N76526BOEING Boeing 737-800
→
10/12/2026
3h 55m
No alerts
Replay Analysis
N76526BOEING Boeing 737-800
→
10/12/2026
1h 31m
No alerts
Replay Analysis
N33262BOEING Boeing 737-800
→
10/10/2026
4h 11m
No alerts
Replay Analysis
N76265BOEING Boeing 737-800
→
10/10/2026
1h 47m
No alerts
Replay Analysis
N14235BOEING Boeing 737-800
→
10/9/2026
4h 26m
No alerts
Replay Analysis
N87512BOEING Boeing 737-800
→
10/9/2026
1h 49m
No alerts
Replay Analysis
N38257BOEING Boeing 737-800
→
10/8/2026
4h 19m
No alerts
Replay Analysis
N38257BOEING Boeing 737-800
→
10/8/2026
2h 3m
No alerts
Replay Analysis
N76514BOEING Boeing 737-800
→
10/7/2026
4h 15m
No alerts
Replay Analysis
N38257BOEING Boeing 737-800
→
10/7/2026
1h 47m
No alerts
Replay Analysis
N33203BOEING Boeing 737-800
→
10/6/2026
4h 11m
No alerts
Replay Analysis
N76526BOEING Boeing 737-800
→
10/6/2026
1h 44m
No alerts
Replay Analysis
N73276BOEING Boeing 737-800
→
10/6/2026
16m
No alerts
Replay Analysis
N73276BOEING Boeing 737-800
→
10/5/2026
4h 23m
No alerts
Replay Analysis
N73276BOEING Boeing 737-800
→
10/5/2026
4h 6m
No alerts
Replay Analysis
N76503BOEING Boeing 737-800
→
10/4/2026
4h 12m
No alerts
Replay Analysis
N76533BOEING Boeing 737-800
→
10/4/2026
2h 8m
No alerts
Replay Analysis
N77539BOEING Boeing 737-800
→
10/3/2026
4h 11m
No alerts
Replay Analysis
N37298BOEING Boeing 737-800
→
10/3/2026
1h 51m
No alerts
Replay Analysis
N87513BOEING Boeing 737-800
→
10/2/2026
4h 15m
No alerts
Replay Analysis
N34282BOEING Boeing 737-800
→
10/2/2026
1h 52m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window