Baltimore (BWI) to Grand Rapids (GRR): On-Time Performance
Data through May 2026
Baltimore (BWI) to Grand Rapids (GRR) effectively runs on two schedules. In November 2024, 97% of arrivals were on time; in June 2024 that fell to 60% — a 37-point seasonal swing. Across the full period the route averages 80% on-time against a national 78%. Morning departures also hold up better than evening ones (84% vs 63%), which matters most in the rough months.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.4%
- Flights/day
- 1.2
- last 12 months
- Duration
- 1h 43m
- scheduled
- Distance
- 528 mi
Monthly on-time trend
Best time to fly from BWI to GRR
Aim for departures around 8 a.m. (86% on-time); avoid 10 p.m. departures (49%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 18 min |
| Tuesdaybest | 84% | 8 min |
| Wednesday | 83% | 18 min |
| Thursday | 82% | 16 min |
| Friday | 73% | 12 min |
| Saturday | 78% | 9 min |
| Sunday | 81% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft40%
- Airline operations37%
- National airspace system13%
- Weather9%
- Security1%
Frequently asked questions
- How often are flights from BWI to GRR delayed?
- 20% of BWI–GRR flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 13 minutes.
- What is the best time of day to fly from BWI to GRR?
- Departures around 8 a.m. have the best record (86% on-time), while departures around 10 p.m. have the worst (49%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BWI to GRR?
- The scheduled BWI–GRR flight time averages 1h 43m over 528 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are BWI to GRR flights cancelled?
- 0.4% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from BWI to GRR?
- June 2024 was the roughest month in this dataset, with only 60% of arrivals on time. The best was November 2024 at 97%. If your dates are flexible, that 37-point gap is worth planning around.
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Based on 789 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.