UAL538 is operated by UNITED AIRLINES INC between Albuquerque International Sunport (KABQ) and San Francisco International Airport (KSFO). The flight is most often flown by a AIRBUS Airbus A319. Typical block time is 2h 2m. SkyMeter has observed 84 legs of this flight number via ADS-B.

✈
FLIGHTS
84
last 90 days
⏱
AVG DURATION
2h 2m
tracked time
📅
SERVICE PERIOD
06/01/2025 → 08/16/2026
first → last seen
🗺
ROUTES / TYPES
11 / 5
city pairs · airframes
⚠
INCIDENT RATE
1.2%
1 flagged

Routes flown

By count · last 90 days

7
KABQ → KSFO
28
avg 2h 20m · Albuquerque International Sunport → San Francisco
KALB → KORD
27
avg 2h 4m · Albany → Chicago O'Hare
KCVG → KIAD
1
avg 1h 2m · Cincinnati Northern Kentucky → Washington Dulles
KHAF → KSAN
1
avg 1h 39m · Half Moon Bay → San Diego
KCLT → KIAD
1
avg 1h 5m · Charlotte Douglas → Washington Dulles
KORD → KROC
1
avg 1h 16m · Chicago O'Hare → Greater Rochester
KSFO → KSAN
1
avg 1h 26m · San Francisco → San Diego

Aircraft types

Equipment used on this number

5
A319 AIRBUS Airbus A319
31
B739 BOEING Boeing 737-900
25
A320 AIRBUS Airbus A320
17
B738 BOEING Boeing 737-800
7
B39M BOEING Boeing 737 MAX 9
4

Safety profile

Flagged flights · last 90 days

Go-arounds
1
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 UAL538

30
N4888UAIRBUS Airbus A319
→
08/16/2026
1h 5m
No alerts
Replay Analysis
N873UAAIRBUS Airbus A319
→
08/15/2026
1h 15m
No alerts
Replay Analysis
N873UAAIRBUS Airbus A319
→
08/15/2026
7m
No alerts
Replay Analysis
N804UAAIRBUS Airbus A319
→
08/10/2026
2h 12m
No alerts
Replay Analysis
N37273BOEING Boeing 737-800
→
08/09/2026
17m
No alerts
Replay Analysis
N831UAAIRBUS Airbus A319
→
08/08/2026
2h 12m
No alerts
Replay Analysis
N884UAAIRBUS Airbus A319
→
08/07/2026
2h 18m
No alerts
Replay Analysis
N495UAAIRBUS Airbus A320
→
08/06/2026
2h 15m
No alerts
Replay Analysis
N430UAAIRBUS Airbus A320
→
08/05/2026
2h 9m
No alerts
Replay Analysis
N884UAAIRBUS Airbus A319
→
08/04/2026
2h 17m
No alerts
Replay Analysis
N823UAAIRBUS Airbus A319
→
08/03/2026
2h 33m
No alerts
Replay Analysis
N79521BOEING Boeing 737-800
→
08/02/2026
2h 18m
No alerts
Replay Analysis
N850UAAIRBUS Airbus A319
→
08/01/2026
2h 21m
No alerts
Replay Analysis
N853UAAIRBUS Airbus A319
→
07/31/2026
2h 12m
No alerts
Replay Analysis
N1902UAIRBUS Airbus A320
→
07/30/2026
2h 18m
No alerts
Replay Analysis
N496UAAIRBUS Airbus A320
→
07/29/2026
2h 21m
No alerts
Replay Analysis
N831UAAIRBUS Airbus A319
→
07/28/2026
2h 29m
No alerts
Replay Analysis
N881UAAIRBUS Airbus A319
→
07/27/2026
2h 9m
No alerts
Replay Analysis
N37290BOEING Boeing 737-800
→
07/26/2026
2h 22m
No alerts
Replay Analysis
N495UAAIRBUS Airbus A320
→
07/25/2026
2h 13m
No alerts
Replay Analysis
N838UAAIRBUS Airbus A319
→
07/24/2026
2h 18m
No alerts
Replay Analysis
N473UAAIRBUS Airbus A320
→
07/23/2026
2h 17m
No alerts
Replay Analysis
N1902UAIRBUS Airbus A320
→
07/22/2026
2h 9m
No alerts
Replay Analysis
N824UAAIRBUS Airbus A319
→
07/21/2026
2h 14m
No alerts
Replay Analysis
N881UAAIRBUS Airbus A319
→
07/20/2026
2h 25m
No alerts
Replay Analysis
N17229BOEING Boeing 737-800
→
07/19/2026
2h 15m
No alerts
Replay Analysis
N806UAAIRBUS Airbus A319
→
07/18/2026
2h 31m
No alerts
Replay Analysis
N806UAAIRBUS Airbus A319
→
07/17/2026
2h 12m
No alerts
Replay Analysis
N473UAAIRBUS Airbus A320
→
07/16/2026
2h 44m
No alerts
Replay Analysis
N446UAAIRBUS Airbus A320
→
07/15/2026
2h 20m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window