24 destinations have scheduled flights from GRR, about 337 departures a week. Weekly frequencies come from airline schedules and observed departures, not live status.
| Destination | Flights per week | Airlines | Typical duration |
|---|---|---|---|
| Chicago O'Hare International Airport (ORD) | 77 | Albatross Airlines, Envoy Air Inc., American Airlines | — |
| Detroit Metropolitan Wayne County Airport (DTW) | 46 | Delta Air Lines | — |
| Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP) | 36 | Delta Air Lines | — |
| Chicago Midway International Airport (MDW) | 20 | Southwest Airlines Co. | — |
| LaGuardia Airport (LGA) | 19 | Delta Air Lines | — |
| Dallas Fort Worth International Airport (DFW) | 17 | American Airlines | — |
| Hartsfield Jackson Atlanta International Airport (ATL) | 15 | Delta Air Lines, Frontier Airlines, Inc. | — |
| Denver International Airport (DEN) | 14 | Albatross Airlines | — |
| Newark Liberty International Airport (EWR) | 14 | Albatross Airlines | — |
| Philadelphia International Airport (PHL) | 13 | American Airlines | — |
| Baltimore/Washington International Thurgood Marshall Airport (BWI) | 12 | Southwest Airlines Co. | — |
| Charlotte Douglas International Airport (CLT) | 12 | American Airlines | — |
| Ronald Reagan Washington National Airport (DCA) | 6 | American Airlines | — |
| Orlando International Airport (MCO) | 6 | Frontier Airlines, Inc. | — |
| Orlando Sanford International Airport (SFB) | 6 | Allegiant Air LLC | — |
| Frederick W. Smith International Airport (MEM) | 5 | Four Island Air | — |
| Indianapolis International Airport (IND) | 4 | Four Island Air | — |
| Harry Reid International Airport (LAS) | 4 | Allegiant Air LLC | — |
| Chippewa Valley Regional Airport (EAU) | 3 | Kyrgyz International Airlines | — |
| Nashville International Airport (BNA) | 2 | Allegiant Air LLC | — |
| St. Petersburg Clearwater International Airport (PIE) | 2 | Allegiant Air LLC | — |
| Sarasota Bradenton International Airport (SRQ) | 2 | Allegiant Air LLC | — |
| Jacksonville International Airport (JAX) | 1 | Allegiant Air LLC | — |
| Punta Gorda Airport (PGD) | 1 | Allegiant Air LLC | — |
GET /routes returns each scheduled flight from GRR: airline, flight number, departure and arrival time, duration, days of operation and aircraft type.
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