How delayed is Chicago, IL (MDW)?

Chicago, IL has an on-time rate of 76.3%. The average delay is 13.1 min.

What causes delays at MDW?

The main delay causes at MDW are carrier issues (39.2%), weather (3.5%), NAS/air traffic control (16.1%), and late arriving aircraft (41.1%).

What is the best time to fly from MDW?

The best time to fly from MDW is at 5:00 with a 90.1% on-time rate. Nov is the best month with 83.6% on-time flights.

Chicago, IL

Chicago, IL, IL — MDW

On-Time Rate

76.3%

2019-2025

Avg Delay

13.1 min

when delayed

Cancel Rate

3.0%

flights cancelled

Total Flights

512,815

2019-2025

Best Month

Nov

83.6% on-time

Worst Month

Jun

69.6% on-time

Best Departure Time

5:00

90.1% on-time

12-Month On-Time Trend

Delay Causes

Best Time to Fly (By Hour)

Seasonal Pattern

Airlines at MDW

Airline	Flights	On-Time
Southwest Airlines	475,099	76.1%
Frontier Airlines	12,605	68.5%
SkyWest Airlines	9,949	83.9%
Delta Air Lines	8,716	85.7%
Endeavor Air	3,194	87.4%
Allegiant Air	2,324	71.0%
Republic Airways	928	86.9%

Most Delayed Routes

Destination	On-Time
MDW → EWRNewark, NJ	57.6%
MDW → PBIWest Palm Beach/Palm Beach, FL	65.2%
MDW → PGDPunta Gorda, FL	66.4%
MDW → DFWDallas/Fort Worth, TX	67.5%
MDW → SFOSan Francisco, CA	68.8%

Most Punctual Routes

Destination	On-Time
MDW → ELPEl Paso, TX	86.8%
MDW → BZNBozeman, MT	83.9%
MDW → ATLAtlanta, GA	81.2%
MDW → BNANashville, TN	80.7%
MDW → COSColorado Springs, CO	80.5%

Was your flight from Chicago, IL delayed?

You may be entitled to compensation of up to $700 per passenger for delayed or cancelled flights. Check your eligibility now.

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Data source: Bureau of Transportation Statistics (BTS) On-Time Performance dataset. Statistics are based on reported flight data from 2019-2025. See our data methodology for details.