GRR to ORD flight delays

GRR ORD Gerald R. Ford to Chicago O'Hare · 137 miles

9,533 flights were scheduled from GRR to ORD over July 2023 through June 2026. Of the 9,345 that made the trip, 74.6% 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
9,533
Arrived on time
74.6%
Cancelled
1.9%
Scheduled distance
137 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 GRR–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 75.9% 73 min 1% 2,397
SkyWest Airlines 68.8% 94 min 2.7% 2,141
Republic Airways 80.5% 67 min 1.6% 2,126
Envoy Air 71.1% 66 min 2.4% 1,864
American Airlines 77.7% 120 min 2.7% 1,003

Month by month

January was the month to avoid on GRR–ORD: 63.5% of flights arrived on time, against 80.4% in November. 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, 74.6%.
Arrival on-time share, GRR to ORD, by calendar month
Month Share flights that arrived on time Flights
January 63.5% 771
February 78.1% 697
March 75.2% 761
April 76% 989
May 79.8% 918
June 71% 823
July 71.4% 722
August 76% 737
September 75.4% 759
October 79.9% 766
November 80.4% 780
December 67.8% 810

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.

GRR to ORD in one number

GRR → ORD

When a flight on this route was late, it was late by about 81 min.

July 2023–June 2026 · 9,533 flights

74.6% of flights arrived on time

Questions about GRR to ORD

Which airline is most reliable from GRR to ORD?
Republic Airways — its flights on this pairing arrived on time 80.5% of the time, with 2,126 scheduled. SkyWest Airlines came in at 68.8% over 2,141 scheduled. Airlines with fewer than 100 flights on the route are not rated.
What is the worst month to fly GRR to ORD?
January, at 63.5% of arrivals on time, with 771 flights scheduled. November was the best of the year at 80.4%.
How late are GRR–ORD flights when they are late?
81 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 GRR to ORD flight cancelled?
1.9% 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.