LGA to ORD flight delays

LGA ORD LaGuardia to Chicago O'Hare · 733 miles

32,930 flights were scheduled from LGA to ORD over July 2023 through June 2026. Of the 31,799 that made the trip, 75.2% 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
32,930
Arrived on time
75.2%
Cancelled
3.2%
Scheduled distance
733 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–ORD, 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
United Airlines 76.3% 86 min 2.7% 13,310
American Airlines 73.6% 94 min 3% 8,362
Delta Air Lines 74.4% 91 min 3% 6,588
Republic Airways 78.5% 61 min 5.4% 2,690
Spirit Airlines 70.5% 85 min 3.5% 1,296
SkyWest Airlines 77.1% 92 min 6% 684

Month by month

July was the month to avoid on LGA–ORD: 64.6% of flights arrived on time, against 81.6% in September. 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, 75.2%.
Arrival on-time share, LGA to ORD, by calendar month
Month Share flights that arrived on time Flights
January 79.1% 2,659
February 81.5% 2,566
March 75.1% 2,856
April 76.4% 2,873
May 73.8% 2,967
June 68.8% 2,881
July 64.6% 2,764
August 72.3% 2,749
September 81.6% 2,674
October 76.4% 2,764
November 78% 2,678
December 75.1% 2,499

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 ORD in one number

LGA → ORD

When a flight on this route was late, it was late by about 88 min.

July 2023–June 2026 · 32,930 flights

75.2% of flights arrived on time

Questions about LGA to ORD

Which airline is most reliable from LGA to ORD?
Republic Airways — its flights on this pairing arrived on time 78.5% of the time, with 2,690 scheduled. Spirit Airlines came in at 70.5% over 1,296 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly LGA to ORD?
July, at 64.6% of arrivals on time, with 2,764 flights scheduled. September was the best of the year at 81.6%.
How late are LGA–ORD flights when they are late?
88 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 ORD flight cancelled?
3.2% 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 ORD 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.