Flight Status & Tracker

UAL591

UMB BANK NA TRUSTEE · EWR → SAT · Last tracked Oct 18, 2026

UAL591 is a flight number operated by UMB BANK NA TRUSTEE between Newark Liberty International Airport (KEWR) and San Antonio International Airport (KSAT). SkyMeter last tracked UAL591 on October 18, 2026. The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 3h 5m. SkyMeter has observed 83 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
83
last 90 days
⏱
AVG DURATION
3h 5m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/18/2026
first → last seen
🗺
ROUTES / TYPES
10 / 6
city pairs · airframes
⚠
INCIDENT RATE
1.2%
1 flagged

Routes flown

By count · last 90 days

6
KEWR → KSAT
61
avg 3h 41m · Newark Liberty → San Antonio
KIAH → KPNS
3
avg 1h 7m · George Bush Intercontinental Houston → Pensacola
KSBN → KIAD
2
avg 1h 25m · South Bend → Washington Dulles
KORF → KIAD
2
avg 43m · Norfolk → Washington Dulles
KEWR → KBNA
2
avg 2h 1m · Newark Liberty → Nashville
KIAH → KADS
1
avg 42m · George Bush Intercontinental Houston → Addison

Aircraft types

Equipment used on this number

6
B739 BOEING Boeing 737-900
27
B38M BOEING Boeing 737 MAX 8
16
A319 AIRBUS Airbus A319
16
B737 BOEING Boeing 737-700
13
B39M BOEING Boeing 737 MAX 9
10
A320 AIRBUS Airbus A320
1

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 UAL591

30
N38451BOEING Boeing 737-900
→
10/18/2026
3h 50m
No alerts
Replay Analysis
N475UAAIRBUS Airbus A320
→
10/18/2026
41m
No alerts
Replay Analysis
N37318BOEING Boeing 737 MAX 8
→
10/16/2026
4h 2m
No alerts
Replay Analysis
N68836BOEING Boeing 737-900
→
10/15/2026
3h 29m
No alerts
Replay Analysis
N21723BOEING Boeing 737-700
→
10/11/2026
1h 29m
No alerts
Replay Analysis
N17753BOEING Boeing 737-700
→
10/10/2026
1h 21m
No alerts
Replay Analysis
N27258BOEING Boeing 737 MAX 8
→
10/9/2026
3h 44m
No alerts
Replay Analysis
N68802BOEING Boeing 737-900
→
10/8/2026
3h 49m
No alerts
Replay Analysis
N17312BOEING Boeing 737 MAX 8
→
10/7/2026
3h 51m
No alerts
Replay Analysis
N68802BOEING Boeing 737-900
→
10/6/2026
3h 44m
No alerts
Replay Analysis
N63890BOEING Boeing 737-900
→
10/5/2026
3h 56m
No alerts
Replay Analysis
N37563BOEING Boeing 737 MAX 9
→
10/4/2026
4h 2m
No alerts
Replay Analysis
N838UAAIRBUS Airbus A319
→
10/4/2026
44m
No alerts
Replay Analysis
N37567BOEING Boeing 737 MAX 9
→
10/2/2026
3h 38m
No alerts
Replay Analysis
N47414BOEING Boeing 737-900
→
10/1/2026
3h 21m
No alerts
Replay Analysis
N17477BOEING Boeing 737 MAX 9
→
9/30/2026
3h 30m
No alerts
Replay Analysis
N77588BOEING Boeing 737 MAX 9
→
9/29/2026
3h 48m
No alerts
Replay Analysis
N81449BOEING Boeing 737-900
→
9/28/2026
3h 29m
No alerts
Replay Analysis
N37307BOEING Boeing 737 MAX 8
→
9/25/2026
3h 44m
No alerts
Replay Analysis
N38458BOEING Boeing 737-900
→
9/24/2026
3h 42m
No alerts
Replay Analysis
N37535BOEING Boeing 737 MAX 9
→
9/23/2026
3h 30m
No alerts
Replay Analysis
N17364BOEING Boeing 737 MAX 8
→
9/22/2026
3h 43m
No alerts
Replay Analysis
N68822BOEING Boeing 737-900
→
9/21/2026
3h 41m
No alerts
Replay Analysis
N69839BOEING Boeing 737-900
→
9/20/2026
3h 38m
No alerts
Replay Analysis
N25705BOEING Boeing 737-700
→
9/19/2026
42m
No alerts
Replay Analysis
N36472BOEING Boeing 737-900
→
9/18/2026
3h 22m
No alerts
Replay Analysis
N34455BOEING Boeing 737-900
→
9/17/2026
3h 22m
No alerts
Replay Analysis
N27255BOEING Boeing 737 MAX 8
→
9/16/2026
3h 29m
No alerts
Replay Analysis
N37352BOEING Boeing 737 MAX 8
→
9/15/2026
3h 30m
No alerts
Replay Analysis
N62892BOEING Boeing 737-900
→
9/14/2026
12m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window