Go-around — UAL323
KSFO · 28L2026-07-22 17:30 UTC· KBOS → KSFO· UNITED AIRLINES INC· B739
UAL323 (United Airlines) was operating from KBOS to KSFO on 2026-07-22. SkyMeter detected a go-around at San Francisco International Airport (KSFO) on runway 28L at 17:30 UTC. Trace data at the event: 473 ft AGL, 156 kt GS, 0 fpm vertical. METAR at the time reported 12 kt wind, 12 kt crosswind component, 16,093 m visibility. A go-around is a discontinued landing approach in which the pilot adds power and climbs back to a safe altitude before re-attempting the approach or proceeding to an alternate. It is a routine safety response, not an emergency, and is taught as the standard reaction to any unstable approach. Detection algorithm and known limitations: see SkyMeter methodology.
Active FAA TFR during this flight
Source: FAA TFR archive (hourly snapshot)- SECURITY5/2811 2025-10-20 12:00Z – 2026-10-20 12:00Z SFC–1,000 ft
NEW YORK, NY, Monday, October 20, 2025 through Tuesday, October 20, 2026 Local
View FAA NOTAM → - SECURITY6/3475 2026-03-08 09:00Z – 2026-11-01 09:59Z SFC–180 ft
BEALE AFB, CA, Sunday, March 8, 2026 through Sunday, November 1, 2026 Local
View FAA NOTAM → - SECURITY6/5797 2026-04-03 00:01Z – 2026-09-28 23:59Z SFC–400 ft
SACRAMENTO, CA, Thursday, April 2, 2026 through Monday, September 28, 2026 Local
View FAA NOTAM → - HAZARDS6/3801 2026-07-08 01:49Z – 2026-07-23 04:00Z SFC–15,000 ft
1NM W PUEBLO, CO, Wednesday, July 8, 2026 through Thursday, July 23, 2026 UTC
View FAA NOTAM → - HAZARDS6/3807 2026-07-08 15:00Z – 2026-07-22 15:00Z SFC–9,000 ft
10NM SE FALL RIVER MILLS, CA, Wednesday, July 8, 2026 through Wednesday, July 22, 2026 UTC
View FAA NOTAM → - HAZARDS6/4014 2026-07-08 16:17Z – 2026-07-22 15:00Z SFC–9,000 ft
10NM SE FALL RIVER MILLS, CA, Wednesday, July 8, 2026 through Wednesday, July 22, 2026 UTC
View FAA NOTAM → - HAZARDS6/4199 2026-07-09 02:00Z – 2026-07-23 05:00Z SFC–13,000 ft
18NM N CORTEZ, CO, Thursday, July 9, 2026 through Thursday, July 23, 2026 UTC
View FAA NOTAM → - HAZARDS6/4561 2026-07-10 04:00Z – 2026-07-24 04:00Z SFC–16,500 ft
19NM NE OURAY, CO, Friday, July 10, 2026 through Friday, July 24, 2026 UTC
View FAA NOTAM → - HAZARDS6/4562 2026-07-10 12:00Z – 2026-07-24 05:00Z SFC–17,000 ft
3NM W LEADVILLE, CO, Friday, July 10, 2026 through Friday, July 24, 2026 UTC
View FAA NOTAM → - HAZARDS6/4555 2026-07-10 14:00Z – 2026-07-23 04:00Z SFC–10,500 ft
44NM NE WELLS, NV, Friday, July 10, 2026 through Thursday, July 23, 2026 UTC
View FAA NOTAM → - HAZARDS6/4906 2026-07-11 02:45Z – 2026-07-24 04:00Z SFC–14,000 ft
7NM N OREM, UT, Saturday, July 11, 2026 through Friday, July 24, 2026 UTC
View FAA NOTAM → - HAZARDS6/4964 2026-07-12 00:13Z – 2026-07-26 03:00Z SFC–10,500 ft
3NM N LOYALTON, CA, Sunday, July 12, 2026 through Sunday, July 26, 2026 UTC
View FAA NOTAM → - HAZARDS6/4975 2026-07-12 13:00Z – 2026-07-26 04:00Z SFC–12,000 ft
9NM SE DUGWAY, UT, Sunday, July 12, 2026 through Sunday, July 26, 2026 UTC
View FAA NOTAM → - HAZARDS6/4978 2026-07-12 13:00Z – 2026-07-26 13:00Z SFC–10,500 ft
3NM N LOYALTON, CA, Sunday, July 12, 2026 through Sunday, July 26, 2026 UTC
View FAA NOTAM → - HAZARDS6/5054 2026-07-12 14:45Z – 2026-07-26 13:00Z SFC–12,500 ft
3NM N LOYALTON, CA, Sunday, July 12, 2026 through Sunday, July 26, 2026 UTC
View FAA NOTAM → - HAZARDS6/5152 2026-07-13 04:00Z – 2026-07-27 04:00Z SFC–15,000 ft
14NM S STEAMBOAT SPRINGS, CO, Monday, July 13, 2026 through Monday, July 27, 2026 UTC
View FAA NOTAM → - HAZARDS6/5155 2026-07-13 13:00Z – 2026-07-26 04:00Z SFC–11,000 ft
40NM NE WELLS, NV, Monday, July 13, 2026 through Sunday, July 26, 2026 UTC
View FAA NOTAM → - HAZARDS6/5274 2026-07-13 17:54Z – 2026-07-27 04:00Z SFC–15,500 ft
15NM E HEBER CITY, UT, Monday, July 13, 2026 through Monday, July 27, 2026 UTC
View FAA NOTAM → - HAZARDS6/5450 2026-07-14 04:00Z – 2026-07-29 04:00Z SFC–16,500 ft
19NM NE OURAY, CO, Tuesday, July 14, 2026 through Wednesday, July 29, 2026 UTC
View FAA NOTAM → - HAZARDS6/5451 2026-07-14 04:00Z – 2026-07-29 04:00Z SFC–16,500 ft
1NM N OURAY, CO, Tuesday, July 14, 2026 through Wednesday, July 29, 2026 UTC
View FAA NOTAM → - HAZARDS6/5843 2026-07-14 23:37Z – 2026-07-22 23:45Z SFC–4,200 ft
18NM SW WAYNESBORO, VA, Tuesday, July 14, 2026 through Wednesday, July 22, 2026 UTC
View FAA NOTAM → - HAZARDS6/5875 2026-07-15 04:00Z – 2026-07-30 04:00Z SFC–12,000 ft
19NM SW MEEKER, CO, Wednesday, July 15, 2026 through Thursday, July 30, 2026 UTC
View FAA NOTAM → - HAZARDS6/5876 2026-07-15 04:00Z – 2026-07-30 04:00Z SFC–13,500 ft
7NM SE STEAMBOAT SPRINGS, CO, Wednesday, July 15, 2026 through Thursday, July 30, 2026 UTC
View FAA NOTAM → - SECURITY6/5841 2026-07-16 13:00Z – 2026-07-27 05:59Z SFC–400 ft
Cheyenne, WY, Thursday, July 16, 2026 through Sunday, July 26, 2026 Local
View FAA NOTAM → - HAZARDS6/6221 2026-07-16 17:58Z – 2026-07-30 04:00Z SFC–12,000 ft
9NM SE DUGWAY, UT, Thursday, July 16, 2026 through Thursday, July 30, 2026 UTC
View FAA NOTAM → - HAZARDS6/6388 2026-07-17 02:26Z – 2026-07-31 04:00Z SFC–10,000 ft
63NM NE REDDING, CA, Friday, July 17, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6393 2026-07-17 02:30Z – 2026-07-31 04:00Z SFC–10,000 ft
63NM NE REDDING, CA, Friday, July 17, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6360 2026-07-17 04:00Z – 2026-07-30 04:00Z SFC–15,000 ft
9NM SW PUEBLO, CO, Friday, July 17, 2026 through Thursday, July 30, 2026 UTC
View FAA NOTAM → - HAZARDS6/6409 2026-07-17 04:39Z – 2026-07-30 07:00Z SFC–11,000 ft
10NM SW MOUNT SHASTA, CA, Friday, July 17, 2026 through Thursday, July 30, 2026 UTC
View FAA NOTAM → - HAZARDS6/6434 2026-07-17 05:07Z – 2026-08-01 04:00Z SFC–10,000 ft
63NM NE REDDING, CA, Friday, July 17, 2026 through Saturday, August 1, 2026 UTC
View FAA NOTAM → - HAZARDS6/6433 2026-07-17 05:08Z – 2026-08-01 04:00Z SFC–10,000 ft
63NM NE REDDING, CA, Friday, July 17, 2026 through Saturday, August 1, 2026 UTC
View FAA NOTAM → - HAZARDS6/6395 2026-07-17 12:00Z – 2026-07-30 04:00Z SFC–13,000 ft
14NM N CORTEZ, CO, Friday, July 17, 2026 through Thursday, July 30, 2026 UTC
View FAA NOTAM → - HAZARDS6/6358 2026-07-17 13:00Z – 2026-07-31 04:00Z SFC–12,000 ft
9NM SE DUGWAY, UT, Friday, July 17, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6359 2026-07-17 14:00Z – 2026-07-31 03:00Z SFC–15,500 ft
5NM E BEAVER, UT, Friday, July 17, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6567 2026-07-18 13:00Z – 2026-08-01 04:00Z SFC–16,000 ft
16NM W MONTICELLO, UT, Saturday, July 18, 2026 through Saturday, August 1, 2026 UTC
View FAA NOTAM → - HAZARDS6/6569 2026-07-18 14:00Z – 2026-07-31 03:00Z SFC–15,500 ft
5NM E BEAVER, UT, Saturday, July 18, 2026 through Friday, July 31, 2026 UTC
View FAA NOTAM → - HAZARDS6/6738 2026-07-19 03:43Z – 2026-07-23 04:00Z SFC–6,500 ft
7NM NE REDDING, CA, Sunday, July 19, 2026 through Thursday, July 23, 2026 UTC
View FAA NOTAM → - HAZARDS6/6733 2026-07-19 12:00Z – 2026-08-02 04:00Z SFC–10,500 ft
16NM NE SUSANVILLE, CA, Sunday, July 19, 2026 through Sunday, August 2, 2026 UTC
View FAA NOTAM → - HAZARDS6/6736 2026-07-19 12:00Z – 2026-08-01 03:00Z SFC–16,000 ft
16NM W MONTICELLO, UT, Sunday, July 19, 2026 through Saturday, August 1, 2026 UTC
View FAA NOTAM → - HAZARDS6/6741 2026-07-19 12:00Z – 2026-08-02 04:00Z SFC–6,500 ft
7NM NE REDDING, CA, Sunday, July 19, 2026 through Sunday, August 2, 2026 UTC
View FAA NOTAM → - HAZARDS6/6774 2026-07-19 18:27Z – 2026-08-02 04:00Z SFC–10,500 ft
22NM NE SUSANVILLE, CA, Sunday, July 19, 2026 through Sunday, August 2, 2026 UTC
View FAA NOTAM → - SECURITY6/6491 2026-07-20 07:01Z – 2026-09-16 06:59Z SFC–1,499 ft
Concord, CA, Monday, July 20, 2026 through Tuesday, September 15, 2026 Local
View FAA NOTAM → - HAZARDS6/6876 2026-07-20 13:00Z – 2026-08-03 04:00Z SFC–16,000 ft
7NM SW DEL NORTE, CO, Monday, July 20, 2026 through Monday, August 3, 2026 UTC
View FAA NOTAM → - HAZARDS6/6894 2026-07-20 14:02Z – 2026-08-03 04:00Z SFC–12,500 ft
12NM NW CRAIG, CO, Monday, July 20, 2026 through Monday, August 3, 2026 UTC
View FAA NOTAM → - HAZARDS6/6900 2026-07-20 14:42Z – 2026-08-03 04:00Z SFC–13,500 ft
11NM SW KREMMLING, CO, Monday, July 20, 2026 through Monday, August 3, 2026 UTC
View FAA NOTAM → - HAZARDS6/7245 2026-07-21 03:43Z – 2026-08-04 03:30Z SFC–7,000 ft
9NM NW GRASS VALLEY DISPATCH CENTER, CA, Tuesday, July 21, 2026 through Tuesday, August 4, 2026 UTC
View FAA NOTAM → - HAZARDS6/7220 2026-07-21 04:00Z – 2026-08-04 04:00Z SFC–12,000 ft
19NM SW MEEKER, CO, Tuesday, July 21, 2026 through Tuesday, August 4, 2026 UTC
View FAA NOTAM → - HAZARDS6/7221 2026-07-21 04:00Z – 2026-08-04 04:00Z SFC–13,500 ft
7NM SE STEAMBOAT SPRINGS, CO, Tuesday, July 21, 2026 through Tuesday, August 4, 2026 UTC
View FAA NOTAM → - HAZARDS6/7702 2026-07-22 13:08Z – 2026-08-05 04:00Z SFC–11,500 ft
11NM SW CRAIG, CO, Wednesday, July 22, 2026 through Wednesday, August 5, 2026 UTC
View FAA NOTAM → - VIP6/7227 2026-07-22 14:00Z – 2026-07-22 17:45Z SFC–17,999 ft
Dover, DE, Wednesday, July 22, 2026 Local
View FAA NOTAM → - HAZARDS6/7854 2026-07-22 17:23Z – 2026-08-05 04:00Z SFC–7,000 ft
9NM NW GRASS VALLEY DISPATCH CENTER, CA, Wednesday, July 22, 2026 through Wednesday, August 5, 2026 UTC
View FAA NOTAM →
SkyMeter cross-referenced this flight against FAA-published TFRs that were active during its window and within its geographic bounding box. Overlap doesn't necessarily mean violation — the aircraft may have been outside the TFR’s precise polygon or flying under air-traffic-control coordination.
Pilot review data
- Runway 28L
- 473 ft AGL at event
- 156 kt ground speed
- 0 fpm vertical
- 12 kt wind
- 12 kt crosswind component
- 16,093 m visibility
- KSFO 162056Z 26015G25KT 10SM FEW005 BKN019 18/12 A3000 RMK AO2 SLP158 T01780117 58003
Flight context
- UAL323
- United Airlines
- B739
- KBOS → KSFO
- 2026-07-22 17:30 UTC
- KSFO runway 28L
Automated analysis. Events shown on this page (such as go-around, unstable approach, or runway events) are heuristic classifications produced by algorithms from publicly broadcast ADS-B data. They are intended to surface flights of interest for further review — they are not findings of fact, and they do not determine pilot fault, regulatory compliance, or the cause of any occurrence. Coverage gaps and sensor noise can affect accuracy. Only the relevant civil aviation authority or accident investigation body can make official determinations. How we detect events · Dispute or correct this data