Route · BWI → GRR · 2020–2025 BTS data
Baltimore to Grand Rapids
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BWI to GRR (Baltimore to Grand Rapids) ranks #4153 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 82%
- On-time
- +3 pts
- vs US avg
- 58 min
- Delay when late
- 1,492
- Flights
- #4153 of 4927
- Corpus placement
Cancelled
0.5%
Best Month
Jul 2025 74%
Worst Month
Jul 2025 74%
Distance
528 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 7 | 0 | 0 | WN |
| Nov 2025 | 30 | 5 | 0 | 0 | WN |
| Oct 2025 | 31 | 6 | 0 | 0 | WN |
| Sep 2025 | 30 | 1 | 0 | 0 | WN |
| Aug 2025 | 33 | 8 | 0 | 0 | WN |
| Jul 2025 | 53 | 14 | 1 | 0 | WN |
| Jun 2025 | 48 | 14 | 0 | 0 | WN |
| May 2025 | 31 | 9 | 0 | 0 | WN |
| Apr 2025 | 30 | 2 | 0 | 0 | WN |
| Mar 2025 | 31 | 4 | 0 | 0 | WN |
| Jan 2025 | 32 | 9 | 0 | 0 | WN |
| Dec 2024 | 31 | 3 | 0 | 0 | WN |
| Nov 2024 | 30 | 1 | 0 | 0 | WN |
| Oct 2024 | 31 | 2 | 0 | 0 | WN |
| Sep 2024 | 30 | 4 | 0 | 0 | WN |
| Aug 2024 | 31 | 9 | 0 | 0 | WN |
| Jul 2024 | 31 | 4 | 0 | 0 | WN |
| Jun 2024 | 30 | 12 | 0 | 0 | WN |
| May 2024 | 31 | 6 | 0 | 0 | WN |
| Jan 2024 | 31 | 6 | 3 | 0 | WN |
| Dec 2023 | 31 | 3 | 0 | 0 | WN |
| Nov 2023 | 30 | 3 | 0 | 0 | WN |
| Oct 2023 | 36 | 8 | 0 | 0 | WN |
| Sep 2023 | 34 | 3 | 0 | 0 | WN |
BWI–GRR seasonal on-time pattern
Best: September (89.2%) · weakest: July (74.5%)
Strongest calendar month
September
89.2% on-time · ~32 flights/mo
Busiest calendar month
July
~42 flights/mo avg
Weakest calendar month
July
74.5% on-time · ~42 flights/mo
Cancellation Rate
0.5%
4 of 787 flights
Diversion Rate
0.0%
0 of 787 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BWI - Baltimore
Full on-time, delay-cause, and seasonal performance for Baltimore, MD.
BWI on-time profileGRR - Grand Rapids
Full on-time, delay-cause, and seasonal performance for Grand Rapids, MI.
GRR on-time profileCompare the two airports
See BWI and GRR side by side on delays, cancellations, and reliability.
Compare BWI vs GRROrigin-hub reliability standing
Mid-pack among BWI departures
From BWI, this corridor sits with 53 other 75–85% on-time routes out of 64 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 11 below 75%). Destination: Grand Rapids · fleet on-time rank #2336 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to BWI–GRR.
Routes with a similar on-time rate
What the Data Says About BWI to GRR
Bureau of Transportation Statistics records show Baltimore to Grand Rapids (BWI to GRR) running a 82% on-time rate over 1,492 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 57.9 minutes. The 528-mile corridor is served by 1 carrier, and over the last 24 months 0.5% of 787 flights were cancelled, 0.0% diverted.
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.
On the multi-year calendar, BWI–GRR peaks in September at 89.2% on-time while July carries the heaviest traffic (~42 flights per month) ; the softest month is July at 74.5%, a 14.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does BWI to GRR rank among US routes by traffic? ▼
How often are flights delayed from BWI to GRR? ▼
What is the cancellation rate for BWI to GRR? ▼
How far is the flight from BWI to GRR? ▼
Airports on this route
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.
Using BWI–GRR data
BWI–GRR runs 3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare BWI and GRR airport profiles: delay causes and top routes differ even on the same corridor. BWI airport
- If your dates flex, September (89.2% on-time) beats July (74.5%) on this corridor. Seasonal chart
- 4 other routes post a similar 82% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.