Route · GRR → BWI · 2020–2025 BTS data
Grand Rapids to Baltimore
The GRR–BWI corridor (Grand Rapids, MI → Baltimore, MD) runs ahead of the national average, served by 1 carrier across roughly 528 miles.
Data updated 2026-06-13
- 81.8%
- On-time
- +2.8 pts
- vs US avg
- 59 min
- Delay when late
- 1,491
- Flights
Cancelled
0.6%
Best Month
Jul 2025 85%
Worst Month
Jul 2025 85%
Distance
528 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 5 | 0 | 0 | WN |
| Nov 2025 | 30 | 6 | 0 | 0 | WN |
| Oct 2025 | 31 | 6 | 0 | 0 | WN |
| Sep 2025 | 30 | 9 | 0 | 0 | WN |
| Aug 2025 | 33 | 8 | 0 | 0 | WN |
| Jul 2025 | 53 | 8 | 3 | 0 | WN |
| Jun 2025 | 48 | 10 | 0 | 0 | WN |
| May 2025 | 31 | 11 | 0 | 0 | WN |
| Apr 2025 | 30 | 1 | 0 | 0 | WN |
| Mar 2025 | 31 | 7 | 0 | 1 | WN |
| Jan 2025 | 31 | 8 | 0 | 0 | WN |
| Dec 2024 | 31 | 8 | 0 | 0 | WN |
| Nov 2024 | 30 | 4 | 0 | 0 | WN |
| Oct 2024 | 31 | 5 | 0 | 0 | WN |
| Sep 2024 | 30 | 7 | 0 | 0 | WN |
| Aug 2024 | 31 | 10 | 0 | 0 | WN |
| Jul 2024 | 31 | 6 | 0 | 0 | WN |
| Jun 2024 | 30 | 9 | 0 | 0 | WN |
| May 2024 | 31 | 8 | 0 | 0 | WN |
| Jan 2024 | 31 | 10 | 2 | 0 | WN |
| Dec 2023 | 31 | 3 | 0 | 0 | WN |
| Nov 2023 | 30 | 4 | 0 | 0 | WN |
| Oct 2023 | 36 | 6 | 0 | 0 | WN |
| Sep 2023 | 34 | 5 | 0 | 0 | WN |
Cancellation Rate
0.6%
5 of 786 flights
Diversion Rate
0.1%
1 of 786 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
GRR - Grand Rapids
Full on-time, delay-cause, and seasonal performance for Grand Rapids, MI.
Origin airport →BWI - Baltimore
Full on-time, delay-cause, and seasonal performance for Baltimore, MD.
Destination airport →Compare the two airports
See GRR and BWI side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to GRR–BWI.
Routes with a similar on-time rate
What the Data Says About GRR to BWI
1,491 tracked flights put the GRR to BWI pairing (Grand Rapids to Baltimore) at a 81.8% on-time rate, squarely in line with the wider network. Delays that do occur run 59.1 minutes on average. Across the 528-mile route and its 1 carrier, the trailing 24 months show 0.6% cancelled and 0.1% diverted (786 flights sampled).
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.