Flight Status & Tracker

SWA4521

SOUTHWEST AIRLINES CO · SFO → BUR · Last tracked Oct 10, 2026

SWA4521 is a flight number operated by SOUTHWEST AIRLINES CO between San Francisco International Airport (KSFO) and Bob Hope Airport (KBUR). SkyMeter last tracked SWA4521 on October 9, 2026. The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 1h 27m. SkyMeter has observed 78 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
78
last 90 days
⏱
AVG DURATION
1h 27m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/10/2026
first → last seen
🗺
ROUTES / TYPES
8 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

7
KSFO → KBUR
35
avg 1h 36m · San Francisco → Bob Hope
KABQ → KSAN
9
avg 2h 1m · Albuquerque International Sunport → San Diego
KBWI → KRIC
5
avg 27m · Baltimore/Washington International Thurgood Marshall → Richmond
KPSP → KSMF
3
avg 1h 10m · Palm Springs → Sacramento
91CA → KSMF
3
avg 1h 8m · Devers Substation Heliport → Sacramento
KHAF → KBUR
2
avg 1h 14m · Half Moon Bay → Bob Hope
KOAK → KBUR
2
avg 1h 20m · Metropolitan Oakland → Bob Hope

Aircraft types

Equipment used on this number

3
B737 BOEING Boeing 737-700
57
B38M BOEING Boeing 737 MAX 8
13
B738 BOEING Boeing 737-800
8

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 SWA4521

30
N8734QBOEING Boeing 737 MAX 8
→
10/10/2026
25m
No alerts
Replay Analysis
N8667DBOEING Boeing 737-800
→
10/8/2026
29m
No alerts
Replay Analysis
N8543ZBOEING Boeing 737-800
→
10/5/2026
27m
No alerts
Replay Analysis
N8864HBOEING Boeing 737 MAX 8
→
10/2/2026
26m
No alerts
Replay Analysis
N8549ZBOEING Boeing 737-800
→
10/1/2026
26m
No alerts
Replay Analysis
N7820LBOEING Boeing 737-700
→
9/30/2026
1h 12m
No alerts
Replay Analysis
N943WNBOEING Boeing 737-700
→
9/29/2026
1h 46m
No alerts
Replay Analysis
N295WNBOEING Boeing 737-700
→
9/29/2026
2h 55m
No alerts
Replay Analysis
N229WNBOEING Boeing 737-700
→
9/25/2026
1h 23m
No alerts
Replay Analysis
N932WNBOEING Boeing 737-700
→
9/23/2026
1h 41m
No alerts
Replay Analysis
N486WNBOEING Boeing 737-700
→
9/22/2026
1h 13m
No alerts
Replay Analysis
N7858ABOEING Boeing 737-700
→
9/22/2026
1h 17m
No alerts
Replay Analysis
N486WNBOEING Boeing 737-700
→
9/19/2026
1h 11m
No alerts
Replay Analysis
N563WNBOEING Boeing 737-700
→
9/19/2026
1h 21m
No alerts
Replay Analysis
N929WNBOEING Boeing 737-700
→
9/18/2026
1h 4m
No alerts
Replay Analysis
N442WNBOEING Boeing 737-700
→
9/16/2026
1h 17m
No alerts
Replay Analysis
N253WNBOEING Boeing 737-700
→
9/15/2026
1h 19m
No alerts
Replay Analysis
N954WNBOEING Boeing 737-700
→
9/15/2026
3h 5m
No alerts
Replay Analysis
N942WNBOEING Boeing 737-700
→
9/12/2026
1h 7m
No alerts
Replay Analysis
N7843ABOEING Boeing 737-700
→
9/12/2026
1h 19m
No alerts
Replay Analysis
N299WNBOEING Boeing 737-700
→
9/11/2026
1h 14m
No alerts
Replay Analysis
N260WNBOEING Boeing 737-700
→
9/8/2026
1h 34m
No alerts
Replay Analysis
N277WNBOEING Boeing 737-700
→
9/8/2026
1h 37m
No alerts
Replay Analysis
N919WNBOEING Boeing 737-700
→
9/4/2026
1h 7m
No alerts
Replay Analysis
N278WNBOEING Boeing 737-700
→
9/2/2026
55m
No alerts
Replay Analysis
N454WNBOEING Boeing 737-700
→
9/1/2026
1h 21m
No alerts
Replay Analysis
N476WNBOEING Boeing 737-700
→
9/1/2026
1h 40m
No alerts
Replay Analysis
N294WNBOEING Boeing 737-700
→
8/29/2026
1h 10m
No alerts
Replay Analysis
N225WNBOEING Boeing 737-700
→
8/29/2026
1h 19m
No alerts
Replay Analysis
N288WNBOEING Boeing 737-700
→
8/28/2026
3h 19m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window