Charleston (CHS) to Chicago (MDW)
Flight time
≈ 2h 17m
Bearing
328° NW
Charleston (CHS) to Chicago (MDW) is 745 miles (1,200 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies CHS–MDW
Filed traffic dataIn July 2026, Southwest Airlines was the only carrier flying nonstop CHS–MDW; the Boeing 737-700 was the most common aircraft at 39% of departures; flights ran 65% full.
Departures
99
July 2026
Seats
15,843
both directions
Passengers
10,336
both directions
Load factor
65.2%
RPM ÷ ASM
Who flies CHS–MDW?
Southwest Airlines was the only carrier to fly nonstop CHS–MDW in July 2026 (99 departures).
- WN
99 departures · 15,843 seats
Share of departures100.0%65.2%
Load
What plane flies CHS–MDW?
In July 2026, the Boeing 737-700 flew 39% of CHS–MDW departures — more than any other aircraft type.
- Boeing 737-700
39 departures · 69.9% load
39.4% - Boeing 737 MAX 8
32 departures · 63.9% load
32.3% - Boeing 737-800
28 departures · 61.7% load
28.3%
How has CHS–MDW traffic changed?
Nonstop CHS–MDW departures rose from 71 in August 2025 to 99 in July 2026.
Monthly nonstop CHS–MDW traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
71 departures · 7,359 passengers
64.2%
Load
September 2025
68 departures · 7,022 passengers
64.8%
Load
October 2025
70 departures · 7,898 passengers
68.4%
Load
November 2025
41 departures · 4,087 passengers
65.4%
Load
December 2025
34 departures · 3,476 passengers
60.4%
Load
January 2026
18 departures · 1,412 passengers
52.1%
Load
February 2026
35 departures · 2,936 passengers
55.1%
Load
March 2026
54 departures · 6,390 passengers
72.6%
Load
April 2026
65 departures · 8,597 passengers
76.6%
Load
May 2026
72 departures · 9,362 passengers
74.5%
Load
June 2026
100 departures · 11,139 passengers
68.7%
Load
July 2026
99 departures · 10,336 passengers
65.2%
Load
By direction
Each direction is filed separately — they rarely match.
CHS → MDW
69.7% full
51 departures · 5,740 passengers
MDW → CHS
60.5% full
48 departures · 4,596 passengers
Nonstop CHS–MDW traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Charleston (CHS) from Chicago (MDW)?
CHS to MDW is 745 miles (1,200 km / 648 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from CHS to MDW?
A nonstop covers the 745-mile great-circle distance in roughly 2h 17m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies CHS–MDW?
In July 2026, the Boeing 737-700 flew the largest share of departures (39.4%), followed by the Boeing 737 MAX 8 (32.3%).
What mileage do I earn flying CHS–MDW?
Distance-based programs credit off the 745-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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