LGA to MDW flight delays

LGA MDW LaGuardia to Chicago Midway · 725 miles

7,282 flights were scheduled from LGA to MDW over July 2023 through June 2026. Of the 7,013 that made the trip, 76.8% reached the gate less than 15 minutes behind schedule. These are arrival figures: “on time” means the flight reached the gate less than 15 minutes behind schedule. Arrivals are what decide whether you make the connection, so route and airline pages are scored on them rather than on pushback.

Data through June 2026 · Bureau of Transportation Statistics

The route in brief

Flights in the window
7,282
Arrived on time
76.8%
Cancelled
3.3%
Scheduled distance
725 miles

Cancellations are counted against everything scheduled. Diverted flights are counted with them rather than as very late arrivals, which is why the on-time share and the cancellation rate do not add up to everything that happened.

Airline by airline

Airlines with at least 100 flights on LGA–MDW, busiest first. Same route, same weather, same air traffic — which makes this the fairest comparison on the site.

Airline Arrived on time Typical delay Cancelled Flights
Southwest Airlines 76.8% 68 min 3.3% 7,282

Month by month

June was the month to avoid on LGA–MDW: 66.3% of flights arrived on time, against 86.3% in February. Each bar pools three years of that calendar month.

Share of flights that arrived on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 76.8%.
Arrival on-time share, LGA to MDW, by calendar month
Month Share flights that arrived on time Flights
January 84.4% 617
February 86.3% 565
March 79.3% 591
April 81.2% 576
May 68.6% 594
June 66.3% 596
July 66.4% 641
August 76.7% 637
September 83.9% 611
October 76.5% 628
November 82% 604
December 71% 622

Both ends of the route

A route’s record is built out of two airports’ habits. The hour-by-hour grid for each is on its own page.

LGA to MDW in one number

LGA → MDW

When a flight on this route was late, it was late by about 68 min.

July 2023–June 2026 · 7,282 flights

76.8% of flights arrived on time

Questions about LGA to MDW

How often do LGA to MDW flights arrive on time?
76.8% of the time, across the 7,013 flights that actually made the trip, July 2023 through June 2026. No single airline flew enough of them to be rated separately.
What is the worst month to fly LGA to MDW?
June, at 66.3% of arrivals on time, with 596 flights scheduled. February was the best of the year at 86.3%.
How late are LGA–MDW flights when they are late?
68 min on average, counting only the flights that arrived 15 minutes or more behind schedule. The on-time flights are left out of that average on purpose — mixing them in would flatter it.
How often is the LGA to MDW flight cancelled?
3.3% of scheduled flights on this route were cancelled, July 2023 through June 2026. Diverted flights are counted with the cancellations rather than as late arrivals.
Are these departure or arrival numbers?
Arrival. A flight counts as on time here if it reached the gate at MDW less than 15 minutes behind schedule. Airport pages score departures instead, because that is the number you can act on when you pick a booking time.