SWA556 is operated by SOUTHWEST AIRLINES CO between St Louis Lambert International Airport (KSTL) and Chicago Midway International Airport (KMDW). The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 1h 27m. SkyMeter has observed 154 legs of this flight number via ADS-B.

✈
FLIGHTS
154
last 90 days
⏱
AVG DURATION
1h 27m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/20/2026
first → last seen
🗺
ROUTES / TYPES
29 / 3
city pairs · airframes
⚠
INCIDENT RATE
1.3%
2 flagged

Routes flown

By count · last 90 days

10
KSTL → KMDW
28
avg 48m · St Louis Lambert → Chicago Midway
KMDW → KLGA
20
avg 1h 51m · Chicago Midway → La Guardia
KVPS → KSTL
15
avg 1h 26m · Destin-Ft Walton Beach → St Louis Lambert
KONT → KPHX
8
avg 1h 0m · Ontario → Phoenix Sky Harbor
KDEN → KSTL
8
avg 1h 52m · Denver → St Louis Lambert
KLAS → KMDW
7
avg 3h 35m · McCarran → Chicago Midway
KLAS → KSTL
7
avg 3h 23m · McCarran → St Louis Lambert
KMYR → KSTL
6
avg 1h 45m · Myrtle Beach → St Louis Lambert
KBWI → KMYR
6
avg 1h 10m · Baltimore/Washington International Thurgood Marshall → Myrtle Beach
KOAK → KONT
4
avg 1h 27m · Metropolitan Oakland → Ontario

Aircraft types

Equipment used on this number

3
B737 BOEING Boeing 737-700
144
B738 BOEING Boeing 737-800
31
B38M BOEING Boeing 737 MAX 8
26

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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 SWA556

30
N8609ABOEING Boeing 737-800
→
08/20/2026
3h 40m
No alerts
Replay Analysis
N8609ABOEING Boeing 737-800
→
08/20/2026
16m
No alerts
Replay Analysis
N8987QBOEING Boeing 737 MAX 8
→
08/19/2026
3h 33m
No alerts
Replay Analysis
N8323CBOEING Boeing 737-800
→
08/18/2026
3h 14m
No alerts
Replay Analysis
N8902QBOEING Boeing 737 MAX 8
→
08/17/2026
3h 25m
No alerts
Replay Analysis
N8509UBOEING Boeing 737-800
→
08/16/2026
3h 37m
No alerts
Replay Analysis
N930WNBOEING Boeing 737-700
→
08/15/2026
2h 48m
No alerts
Replay Analysis
N930WNBOEING Boeing 737-700
→
08/15/2026
54m
No alerts
Replay Analysis
N8531QBOEING Boeing 737-800
→
08/15/2026
3h 23m
No alerts
Replay Analysis
N8531QBOEING Boeing 737-800
→
08/14/2026
1h 8m
No alerts
Replay Analysis
N8531QBOEING Boeing 737-800
→
08/14/2026
5m
No alerts
Replay Analysis
N8531QBOEING Boeing 737-800
→
08/14/2026
13m
No alerts
Replay Analysis
N8531QBOEING Boeing 737-800
→
08/14/2026
59m
No alerts
Replay Analysis
N8531QBOEING Boeing 737-800
→
08/14/2026
14m
No alerts
Replay Analysis
N8583ZBOEING Boeing 737-800
→
08/13/2026
3h 27m
No alerts
Replay Analysis
N8583ZBOEING Boeing 737-800
→
08/13/2026
30m
No alerts
Replay Analysis
N8765QBOEING Boeing 737 MAX 8
→
08/12/2026
21m
No alerts
Replay Analysis
N8765QBOEING Boeing 737 MAX 8
→
08/12/2026
9m
No alerts
Replay Analysis
N8699ABOEING Boeing 737-800
→
08/11/2026
3h 23m
No alerts
Replay Analysis
N9011HBOEING Boeing 737 MAX 8
→
08/10/2026
3h 47m
No alerts
Replay Analysis
N9011HBOEING Boeing 737 MAX 8
→
08/10/2026
11m
No alerts
Replay Analysis
N8502ZBOEING Boeing 737-800
→
08/09/2026
3h 6m
No alerts
Replay Analysis
N8502ZBOEING Boeing 737-800
→
08/09/2026
20m
No alerts
Replay Analysis
N7702ABOEING Boeing 737-700
→
08/08/2026
2h 32m
No alerts
Replay Analysis
N7702ABOEING Boeing 737-700
→
08/08/2026
52m
No alerts
Replay Analysis
N8728QBOEING Boeing 737 MAX 8
→
08/07/2026
3h 36m
No alerts
Replay Analysis
N8728QBOEING Boeing 737 MAX 8
→
08/07/2026
27m
No alerts
Replay Analysis
N8893LBOEING Boeing 737 MAX 8
→
08/07/2026
34m
No alerts
Replay Analysis
N8893LBOEING Boeing 737 MAX 8
→
08/06/2026
3h 14m
No alerts
Replay Analysis
N8893LBOEING Boeing 737 MAX 8
→
08/06/2026
3h 49m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window