UAL1243 is operated by UNITED AIRLINES INC between Cooley Field (US-2390) and San Francisco International Airport (KSFO). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 3h 50m. SkyMeter has observed 69 legs of this flight number via ADS-B.

✈
FLIGHTS
69
last 90 days
⏱
AVG DURATION
3h 50m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
8 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
US-2390 → KSFO
3
avg 8m · Cooley Field → San Francisco
KHAF → KSFO
2
avg 8h 32m · Half Moon Bay → San Francisco
US-0188 → KSFO
2
avg 8h 28m · Coast Guard Air Station San Francisco → San Francisco
US-2362 → KSFO
1
avg 6m · San Mateo → San Francisco
US-2773 → KSFO
1
avg 22m · Ravenswood Substation Helipad → San Francisco

Aircraft types

Equipment used on this number

4
B738 BOEING Boeing 737-800
72
B38M BOEING Boeing 737 MAX 8
2
B739 BOEING Boeing 737-900
2
B39M BOEING Boeing 737 MAX 9
1

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 UAL1243

30
N17229BOEING Boeing 737-800
→
07/19/2026
1h 57m
No alerts
Replay Analysis
N77537BOEING Boeing 737-800
→
07/17/2026
22m
No alerts
Replay Analysis
N77537BOEING Boeing 737-800
→
07/16/2026
1h 48m
No alerts
Replay Analysis
N77537BOEING Boeing 737-800
→
07/16/2026
2h 10m
No alerts
Replay Analysis
N87527BOEING Boeing 737-800
→
07/15/2026
2h 4m
No alerts
Replay Analysis
N14219BOEING Boeing 737-800
→
07/14/2026
8h 39m
No alerts
Replay Analysis
N76504BOEING Boeing 737-800
→
07/10/2026
2h 13m
No alerts
Replay Analysis
N37518BOEING Boeing 737 MAX 9
→
07/10/2026
1h 31m
No alerts
Replay Analysis
N38268BOEING Boeing 737-800
→
07/09/2026
22m
No alerts
Replay Analysis
N38268BOEING Boeing 737-800
→
07/08/2026
1h 49m
No alerts
Replay Analysis
N87531BOEING Boeing 737-800
→
07/06/2026
2h 22m
No alerts
Replay Analysis
N76529BOEING Boeing 737-800
→
07/05/2026
7m
No alerts
Replay Analysis
N76529BOEING Boeing 737-800
→
07/03/2026
2h 8m
No alerts
Replay Analysis
N37305BOEING Boeing 737 MAX 8
→
07/02/2026
8h 30m
No alerts
Replay Analysis
N37274BOEING Boeing 737-800
→
07/01/2026
22m
No alerts
Replay Analysis
N37274BOEING Boeing 737-800
→
06/30/2026
1h 55m
No alerts
Replay Analysis
N37274BOEING Boeing 737-800
→
06/30/2026
2h 18m
No alerts
Replay Analysis
N37274BOEING Boeing 737-800
→
06/29/2026
2h 11m
No alerts
Replay Analysis
N17233BOEING Boeing 737-800
→
06/28/2026
1h 40m
No alerts
Replay Analysis
N87512BOEING Boeing 737-800
→
06/26/2026
2h 24m
No alerts
Replay Analysis
N17244BOEING Boeing 737-800
→
06/25/2026
1h 43m
No alerts
Replay Analysis
N33286BOEING Boeing 737-800
→
06/24/2026
2h 0m
No alerts
Replay Analysis
N11206BOEING Boeing 737-800
→
06/23/2026
1h 32m
No alerts
Replay Analysis
N77296BOEING Boeing 737-800
→
06/22/2026
2h 5m
No alerts
Replay Analysis
N77520BOEING Boeing 737-800
→
06/21/2026
2h 25m
No alerts
Replay Analysis
N76514BOEING Boeing 737-800
→
06/20/2026
2h 0m
No alerts
Replay Analysis
N78511BOEING Boeing 737-800
→
06/19/2026
2h 12m
No alerts
Replay Analysis
N35271BOEING Boeing 737-800
→
06/19/2026
1h 26m
No alerts
Replay Analysis
N17272BOEING Boeing 737 MAX 8
→
06/17/2026
7h 59m
No alerts
Replay Analysis
N77295BOEING Boeing 737-800
→
06/16/2026
8h 24m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window