WN3666 · SWA3666

SWA3666 over the last 30 days

As of 2026-10-25

SWA3666 is operated by Southwest Airlines on the route Chicago Midway International Airport (MDW/KMDW) → Cleveland Hopkins International Airport (CLE/KCLE). Most frequent aircraft type: BOEING 737-800 (B738).

Days with an observed flight (last 30 days)

6/30

Days of the week with an observed flight

Tue, Wed

Median departure delay on this route

+3 min

Departures within 15 minutes of schedule

69 %

Departures measured

81

Our measurement against the airport's published schedule over the last 28 days; the figures cover all flights of this airline on the route.

Aircraft types on this flight (last 30 days)

• BOEING 737-800 (B738) — Number of flights: 4
• BOEING 737-700 (B737) — Number of flights: 3
• BOEING 737 MAX 8 (B38M) — Number of flights: 1

Aircraft in the last 7 days

• N8510E · BOEING 737-800 2026-10-25

Related flights on this route

• WN1207 (SWA1207) — Southwest Airlines · KCLE → KMDW
• All flights KMDW – KCLE