MDW → IAH: cancellations & delays
Over Jan 2023 - Apr 2026, 1.2% of Chicago Midway International Airport (MDW) to George Bush Intercontinental Airport (IAH) flights were cancelled and 26.6% arrived at least 15 minutes late, across 1,546 flights, flown by WN, F9. Cancellations peak in January.
Check today's live MDW departures →Airport pages: Chicago Midway International Airport (MDW) · George Bush Intercontinental Airport (IAH)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.