BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
MDW→LGA

Chicago, IL (MDW) to New York, NY (LGA) flight delay odds

65.7% of 2,378 official scheduled MDW-to-LGA flights arrived on time; 18.8% arrived at least 30 minutes late and 4.1% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALHigher disruption
65.7%arrived on time
18.8%30+ min late
4.1%cancelled
2,378scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.7%all scheduled flights
120+ minutes late3.1%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+14.4 mincompleted flights

Which departure time was most reliable for MDW to LGA?

Among qualifying MDW-to-LGA departure window results, Early morning had the highest on-time rate: 84.1% of 685 flights. Evening was lowest at 50.0% across 678 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning68584.1%7.6%2.2%
Late morning35675.3%12.9%2.8%
Afternoon65957.7%22.6%4.7%
Evening67850.0%29.6%6.0%

Which weekday was most reliable for MDW to LGA?

Among qualifying MDW-to-LGA weekday results, Saturday had the highest on-time rate: 72.8% of 232 flights. Sunday was lowest at 58.7% across 334 flights.

DayFlightsOn time30+ minCancelled
Monday36162.3%19.7%6.4%
Tuesday36869.0%19.8%3.0%
Wednesday36369.4%16.8%2.2%
Thursday36164.8%21.6%4.4%
Friday35964.9%17.5%3.1%
Saturday23272.8%10.8%3.0%
Sunday33458.7%23.1%6.3%

Which airline was most reliable for MDW to LGA?

Only Southwest Airlines met the MDW-to-LGA airline threshold: 65.7% of 2,378 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines2,37865.7%18.8%4.1%

Which month was most reliable for MDW to LGA?

Among qualifying MDW-to-LGA month results, January 2026 had the highest on-time rate: 81.7% of 197 flights. March 2026 was lowest at 44.7% across 197 flights.

MonthFlightsOn time30+ minCancelled
July 202520458.8%21.6%6.9%
August 202520273.8%14.9%1.0%
September 202519878.3%9.1%1.0%
October 202520461.3%22.1%2.5%
November 202519162.3%24.6%5.8%
December 202519861.6%26.3%2.0%
January 202619781.7%7.6%4.1%
February 202618375.4%9.3%6.6%
March 202619744.7%32.0%11.7%
April 202619667.3%17.9%1.0%
May 202620267.3%17.3%2.5%
June 202620657.3%22.8%4.4%

What drove MDW to LGA delay minutes?

National airspace was the largest recorded MDW-to-LGA delay category, accounting for 47.8% of 41,057 BTS-attributed delay minutes during July 2025–June 2026.

Airline25.1%
Late aircraft25.2%
National airspace47.8%
Weather1.4%
Security0.4%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.