Cancún (CUN) to Chicago (MDW)
Flight time
≈ 3h 40m
Bearing
358° N
Cancún (CUN) to Chicago (MDW) is 1,434 miles (2,308 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies CUN–MDW
Filed traffic dataIn July 2026, Southwest Airlines was the only carrier flying nonstop CUN–MDW; the Boeing 737 MAX 8 was the most common aircraft at 45% of departures; flights ran 94% full.
Departures
103
July 2026
Seats
16,581
both directions
Passengers
15,552
both directions
Load factor
93.8%
RPM ÷ ASM
Who flies CUN–MDW?
Southwest Airlines was the only carrier to fly nonstop CUN–MDW in July 2026 (103 departures).
- WN
103 departures · 16,581 seats
Share of departures100.0%93.8%
Load
What plane flies CUN–MDW?
In July 2026, the Boeing 737 MAX 8 flew 45% of CUN–MDW departures — more than any other aircraft type.
- Boeing 737 MAX 8
46 departures · 93.3% load
44.7% - Boeing 737-700
38 departures · 94.0% load
36.9% - Boeing 737-800
19 departures · 94.8% load
18.4%
How has CUN–MDW traffic changed?
Nonstop CUN–MDW departures rose from 67 in August 2025 to 103 in July 2026.
Monthly nonstop CUN–MDW traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
67 departures · 9,297 passengers
91.5%
Load
September 2025
59 departures · 7,944 passengers
90.1%
Load
October 2025
78 departures · 10,060 passengers
86.0%
Load
November 2025
68 departures · 9,590 passengers
87.7%
Load
December 2025
70 departures · 9,342 passengers
86.4%
Load
January 2026
64 departures · 8,732 passengers
85.0%
Load
February 2026
62 departures · 8,642 passengers
88.0%
Load
March 2026
108 departures · 14,324 passengers
80.9%
Load
April 2026
85 departures · 11,989 passengers
85.8%
Load
May 2026
82 departures · 11,829 passengers
87.5%
Load
June 2026
99 departures · 14,746 passengers
93.5%
Load
July 2026
103 departures · 15,552 passengers
93.8%
Load
By direction
Each direction is filed separately — they rarely match.
MDW → CUN
94.6% full
52 departures · 7,963 passengers
CUN → MDW
93.0% full
51 departures · 7,589 passengers
Nonstop CUN–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
Cancún
MX
Cancún International Airport
Coordinates
21.04°N, 86.87°W
Hemisphere
N · W
Frequently asked
How far is Cancún (CUN) from Chicago (MDW)?
CUN to MDW is 1,434 miles (2,308 km / 1,246 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from CUN to MDW?
A nonstop covers the 1,434-mile great-circle distance in roughly 3h 40m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies CUN–MDW?
In July 2026, the Boeing 737 MAX 8 flew the largest share of departures (44.7%), followed by the Boeing 737-700 (36.9%).
What mileage do I earn flying CUN–MDW?
Distance-based programs credit off the 1,434-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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