Flight Status & Tracker

UAL1603

UNITED AIRLINES INC · LAS → SFO · Last tracked Sep 26, 2026

UAL1603 is a flight number operated by UNITED AIRLINES INC between McCarran International Airport (KLAS) and San Francisco International Airport (KSFO). SkyMeter last tracked UAL1603 on September 26, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 34m. SkyMeter has observed 150 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
150
last 90 days
⏱
AVG DURATION
2h 34m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/26/2026
first → last seen
🗺
ROUTES / TYPES
12 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

6
KLAS → KSFO
80
avg 1h 36m · McCarran → San Francisco
KSFO → KATL
38
avg 4h 43m · San Francisco → Hartsfield Jackson Atlanta
KHAF → KATL
11
avg 4h 44m · Half Moon Bay → Hartsfield Jackson Atlanta
KSFO → KIAH
1
avg 4h 34m · San Francisco → George Bush Intercontinental Houston
KIAH → KATL
1
avg 1h 43m · George Bush Intercontinental Houston → Hartsfield Jackson Atlanta
KOAK → KATL
1
avg 4h 36m · Metropolitan Oakland → Hartsfield Jackson Atlanta

Aircraft types

Equipment used on this number

4
B39M BOEING Boeing 737 MAX 9
92
B38M BOEING Boeing 737 MAX 8
53
B738 BOEING Boeing 737-800
3
B739 BOEING Boeing 737-900
3

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 UAL1603

30
N37506BOEING Boeing 737 MAX 9
→
9/26/2026
1h 40m
No alerts
Replay Analysis
N77576BOEING Boeing 737 MAX 9
→
9/24/2026
4h 48m
No alerts
Replay Analysis
N27546BOEING Boeing 737 MAX 9
→
9/24/2026
1h 26m
No alerts
Replay Analysis
N37537BOEING Boeing 737 MAX 9
→
9/23/2026
1h 30m
No alerts
Replay Analysis
N37313BOEING Boeing 737 MAX 8
→
9/22/2026
6m
No alerts
Replay Analysis
N37313BOEING Boeing 737 MAX 8
→
9/22/2026
4h 23m
No alerts
Replay Analysis
N37556BOEING Boeing 737 MAX 9
→
9/22/2026
1h 31m
No alerts
Replay Analysis
N17272BOEING Boeing 737 MAX 8
→
9/21/2026
4h 31m
No alerts
Replay Analysis
N17418BOEING Boeing 737 MAX 9
→
9/21/2026
1h 24m
No alerts
Replay Analysis
N17438BOEING Boeing 737 MAX 9
→
9/20/2026
1h 21m
No alerts
Replay Analysis
N27263BOEING Boeing 737 MAX 8
→
9/19/2026
4h 36m
No alerts
Replay Analysis
N37450BOEING Boeing 737 MAX 9
→
9/19/2026
1h 41m
No alerts
Replay Analysis
N27439BOEING Boeing 737 MAX 9
→
9/18/2026
4h 37m
No alerts
Replay Analysis
N27439BOEING Boeing 737 MAX 9
→
9/18/2026
1h 33m
No alerts
Replay Analysis
N27290BOEING Boeing 737 MAX 8
→
9/17/2026
4h 46m
No alerts
Replay Analysis
N47434BOEING Boeing 737 MAX 9
→
9/17/2026
1h 46m
No alerts
Replay Analysis
N37556BOEING Boeing 737 MAX 9
→
9/16/2026
1h 31m
No alerts
Replay Analysis
N27246BOEING Boeing 737-800
→
9/15/2026
4h 42m
No alerts
Replay Analysis
N27515BOEING Boeing 737 MAX 9
→
9/15/2026
1h 31m
No alerts
Replay Analysis
N17338BOEING Boeing 737 MAX 8
→
9/14/2026
4h 24m
No alerts
Replay Analysis
N77588BOEING Boeing 737 MAX 9
→
9/14/2026
1h 57m
No alerts
Replay Analysis
N17418BOEING Boeing 737 MAX 9
→
9/13/2026
1h 27m
No alerts
Replay Analysis
N17301BOEING Boeing 737 MAX 8
→
9/12/2026
4h 28m
No alerts
Replay Analysis
N27515BOEING Boeing 737 MAX 9
→
9/12/2026
1h 26m
No alerts
Replay Analysis
N37354BOEING Boeing 737 MAX 8
→
9/11/2026
4h 31m
No alerts
Replay Analysis
N37447BOEING Boeing 737 MAX 9
→
9/11/2026
1h 53m
No alerts
Replay Analysis
N47369BOEING Boeing 737 MAX 8
→
9/10/2026
4h 50m
No alerts
Replay Analysis
N37538BOEING Boeing 737 MAX 9
→
9/10/2026
1h 23m
No alerts
Replay Analysis
N47357BOEING Boeing 737 MAX 8
→
9/8/2026
4h 51m
No alerts
Replay Analysis
N37449BOEING Boeing 737 MAX 9
→
9/8/2026
1h 10m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window