Baltimore (BWI) to Grand Rapids (GRR) flights

Southwest Airlines flies nonstop from Baltimore/Washington International Thurgood Marshall Airport to Gerald R. Ford International Airport, with about 13 flights a week in July 2026. The 528-mile flight takes about 1h 39m gate to gate.

From
BWI
Baltimore
Baltimore/Washington International Thurgood Marshall Airport
To
GRR
Grand Rapids
Gerald R. Ford International Airport
Distance
528 mi · 850 km
Flight time
1h 39m
Airlines
1
Seats filled
70%
Flights a week, July 2026
434 flights and 47,623 passengers in 12 months
GRRGRRBWI
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying BWI to GRR

AirlineFlights a weekAircraftPassengers (12 months)Flight time
Southwest Airlines13Boeing 737-700 / MAX 7, Boeing 737-800, Boeing 737 MAX 847,6231h 39m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

BWI to GRR flight schedule

4 flight numbers flew this route in August 2026. The first usually leaves at 11:20am and the last at 6:15pm. Times are local and can change; check with the airline before you book.

FlightDepartsArrivesDays flown in August 2026On time (12 months)
WN 4076Southwest Airlines11:20am1:00pm1258%
WN 784Southwest Airlines11:55am1:35pm1283%
WN 257Southwest Airlines12:25pm2:05pm4n/a
WN 2534Southwest Airlines6:15pm7:55pm1764%

Is BWI to GRR on time?

From September 2025 to August 2026, 72% of 462 flights arrived within 15 minutes of schedule and 2.2% were cancelled. Flights leaving around 11am were the most punctual (79%), those around 10pm the least (60%). Most delay time was caused by late-arriving aircraft (51%).

AirlineFlightsOn timeAverage delayCancelled
Southwest Airlines46172%15 min2.2%

Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.

On-time arrivals by departure time

Scheduled departureFlightsOn time, relativeOn time
9am to 10am16
75%
10am to 11am20
83%
11am to 12pm77
79%
12pm to 1pm180
77%
2pm to 3pm22
32%
6pm to 7pm12
67%
7pm to 8pm24
71%
8pm to 9pm18
77%
9pm to 10pm29
67%
10pm to 11pm43
60%

Flights by month

MonthFlightsFlights, relativePassengers
August 202533
3,999
September 202531
3,452
October 202531
3,285
November 202530
3,127
December 202531
3,095
January 202630
2,585
February 202627
3,292
March 202631
3,262
April 202635
4,072
May 202641
4,117
June 202657
6,936
July 202658
6,455

Related

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.