Skip to tool
✈ Professional PNR Converter for Travel Agents — 100% Free Travel Agent Blog →
Airport Reference

Chicago Midway International Airport (MDW)

Chicago, United States

IATA CodeMDW
ICAO CodeKMDW
CityChicago
CountryUnited States
Time ZoneAmerica/Chicago
Coordinates41.7868, -87.7522

How MDW Appears in a GDS PNR

In a raw PNR segment line, MDW shows up as the three-letter origin or destination code — for example, a segment from London to Chicago might read:

2  BA 587 Y 15JUL 2*LHRMDW HK1  800A  2000P

The last three letters of the route pair (MDW) tell you the flight is arriving at Chicago Midway International Airport.

Distance & Flight Time from Other Major Hubs

Real, calculated straight-line distances (great-circle) and a rough nonstop flight-time estimate:

HubDistanceEst. Flight Time
LHR (London)6,349 km / 3,945 mi≈ 7.5h nonstop
JFK (New York)1,174 km / 730 mi≈ 1.4h nonstop
DXB (Dubai)11,651 km / 7,240 mi≈ 13.7h nonstop
SIN (Singapore)15,073 km / 9,366 mi≈ 17.7h nonstop
SYD (Sydney)14,871 km / 9,240 mi≈ 17.5h nonstop

Flight time is a rough estimate based on typical long-haul cruise speed — actual routing, wind, and aircraft type will change the real duration.

Frequently Asked Questions

What is the IATA code for Chicago?

The main IATA airport code for Chicago is MDW — Chicago Midway International Airport.

What time zone is Chicago Midway International Airport in?

Chicago Midway International Airport operates on America/Chicago time.

How does MDW appear in a GDS PNR?

In a flight segment line, MDW appears as the three-letter origin or destination code, e.g. a route shown as ...MDW... in Amadeus, Sabre, Galileo, or Worldspan.

Convert a PNR Through Chicago Midway International Airport

Paste any PNR with a MDW segment and get a client-ready itinerary in seconds, with layover times calculated using the correct time zone — free, no signup.

Try the Free Converter →