UAL1639

UMB BANK NA TRUSTEE · SBP → SFO

UAL1639 is operated by UMB BANK NA TRUSTEE between San Luis County Regional Airport (KSBP) and San Francisco International Airport (KSFO). The flight is most often flown by a AIRBUS Airbus A319. Typical block time is 1h 28m. SkyMeter has observed 71 legs of this flight number via ADS-B.

✈
FLIGHTS
71
last 90 days
⏱
AVG DURATION
1h 28m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
12 / 4
city pairs · airframes
⚠
INCIDENT RATE
1.4%
1 flagged

Routes flown

By count · last 90 days

5
KSBP → KSFO
19
avg 53m · San Luis County → San Francisco
KDEN → KSTL
12
avg 1h 57m · Denver → St Louis Lambert
KSFO → KAUS
12
avg 3h 30m · San Francisco → Austin Bergstrom
KSTL → KORD
9
avg 1h 10m · St Louis Lambert → Chicago O'Hare
IS12 → KORD
1
avg 17m · Urso Heliport → Chicago O'Hare

Aircraft types

Equipment used on this number

4
A319 AIRBUS Airbus A319
43
B39M BOEING Boeing 737 MAX 9
16
A320 AIRBUS Airbus A320
13
B739 BOEING Boeing 737-900
1

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 UAL1639

30
N833UAAIRBUS Airbus A319
→
06/03/2026
6m
No alerts
Replay Analysis
N833UAAIRBUS Airbus A319
→
06/03/2026
1h 4m
No alerts
Replay Analysis
N833UAAIRBUS Airbus A319
→
06/03/2026
2h 0m
No alerts
Replay Analysis
N854UAAIRBUS Airbus A319
→
06/02/2026
9m
No alerts
Replay Analysis
N854UAAIRBUS Airbus A319
→
06/02/2026
1h 18m
No alerts
Replay Analysis
N854UAAIRBUS Airbus A319
→
06/02/2026
1h 52m
No alerts
Replay Analysis
N801UAAIRBUS Airbus A319
→
06/01/2026
56m
No alerts
Replay Analysis
N801UAAIRBUS Airbus A319
→
06/01/2026
1h 49m
No alerts
Replay Analysis
N831UAAIRBUS Airbus A319
→
05/31/2026
1h 15m
No alerts
Replay Analysis
N831UAAIRBUS Airbus A319
→
05/31/2026
8m
No alerts
Replay Analysis
N831UAAIRBUS Airbus A319
→
05/31/2026
1h 55m
No alerts
Replay Analysis
N843UAAIRBUS Airbus A319
→
05/29/2026
1h 22m
No alerts
Replay Analysis
N843UAAIRBUS Airbus A319
→
05/29/2026
2h 0m
No alerts
Replay Analysis
N816UAAIRBUS Airbus A319
→
05/29/2026
35m
No alerts
Replay Analysis
N816UAAIRBUS Airbus A319
→
05/28/2026
42m
No alerts
Replay Analysis
N816UAAIRBUS Airbus A319
→
05/28/2026
1h 18m
No alerts
Replay Analysis
N816UAAIRBUS Airbus A319
→
05/28/2026
1h 58m
No alerts
Replay Analysis
N841UAAIRBUS Airbus A319
→
05/27/2026
1h 3m
No alerts
Replay Analysis
N841UAAIRBUS Airbus A319
→
05/27/2026
2h 10m
No alerts
Replay Analysis
N824UAAIRBUS Airbus A319
→
05/26/2026
7m
No alerts
Replay Analysis
N824UAAIRBUS Airbus A319
→
05/26/2026
1h 1m
△ Unstable
Replay Analysis
N824UAAIRBUS Airbus A319
→
05/26/2026
2h 0m
No alerts
Replay Analysis
N841UAAIRBUS Airbus A319
→
05/25/2026
14m
No alerts
Replay Analysis
N841UAAIRBUS Airbus A319
→
05/25/2026
1h 18m
No alerts
Replay Analysis
N841UAAIRBUS Airbus A319
→
05/25/2026
1h 45m
No alerts
Replay Analysis
N822UAAIRBUS Airbus A319
→
05/25/2026
17m
No alerts
Replay Analysis
N822UAAIRBUS Airbus A319
→
05/24/2026
51m
No alerts
Replay Analysis
N822UAAIRBUS Airbus A319
→
05/24/2026
1h 59m
No alerts
Replay Analysis
N874UAAIRBUS Airbus A319
→
05/23/2026
16m
No alerts
Replay Analysis
N874UAAIRBUS Airbus A319
→
05/23/2026
1h 20m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window