Route Reliability
Atlanta → Grand Rapids
ATL–GRR · 640 miles · Hartsfield–Jackson Atlanta International Airport to Gerald R. Ford International Airport
- 82%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 1.5%
- Cancelled
- 1,448
- Flights in the data
Data through May 2026.
Airlines on this route
- Delta Air Lines83% on time · 1,386 flights
- Frontier Airlines69% on time · 62 flights
Too little history on this route to call a winner. We rank airlines only after 100 flights each.
What the data says
Morning-you made the right choice.
ATL–GRR flights departing between 9 AM–12 PM arrived on time 88% of the time, versus 78% between 9 PM–12 AM.
Skip Saturday if you can.
ATL–GRR flights arrived on time 89% of the time on Wednesdays. On Saturdays: 79%.
Ticking up lately.
ATL–GRR flights arrived on time 85% of the time over the last three months in the data, compared with 79% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon80%(205 flights)
- Tue81%(210 flights)
- Wed89%(203 flights)
- Thu83%(226 flights)
- Fri82%(197 flights)
- Sat79%(153 flights)
- Sun82%(232 flights)
- 6–9 AM—(3 flights)
- 9 AM–12 PM88%(401 flights)
- 12–3 PM85%(196 flights)
- 3–6 PM80%(187 flights)
- 6–9 PM80%(278 flights)
- 9 PM–12 AM78%(361 flights)
Jun 66% → May 88% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 66% | 122 |
| July 2025 | 76% | 123 |
| August 2025 | 88% | 125 |
| September 2025 | 93% | 113 |
| October 2025 | 91% | 126 |
| November 2025 | 83% | 120 |
| December 2025 | 77% | 117 |
| January 2026 | 79% | 116 |
| February 2026 | 82% | 105 |
| March 2026 | 78% | 123 |
| April 2026 | 88% | 118 |
| May 2026 | 88% | 118 |
Keep nerding
Based on 1,448 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.