Route Reliability
Grand Rapids → Atlanta
GRR–ATL · 640 miles · Gerald R. Ford International Airport to Hartsfield–Jackson Atlanta International Airport
- 87%
- Arrive within 15 minutes
- 3 min early
- Average arrival delay
- 1.4%
- Cancelled
- 1,447
- Flights in the data
Data through May 2026.
Airlines on this route
- Delta Air Lines87% on time · 1,385 flights
- Frontier Airlines71% 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.
GRR–ATL flights departing between 6–9 AM arrived on time 89% of the time, versus 80% between 6–9 PM.
Wednesday has been the better bet.
A small edge: 89% on time on Wednesdays against 83% on Sundays.
Trending in the right direction.
GRR–ATL flights arrived on time 88% of the time over the last three months in the data, compared with 76% 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
- Mon86%(204 flights)
- Tue86%(210 flights)
- Wed89%(203 flights)
- Thu87%(226 flights)
- Fri88%(200 flights)
- Sat89%(150 flights)
- Sun83%(231 flights)
- 6–9 AM89%(692 flights)
- 9 AM–12 PM—(9 flights)
- 12–3 PM87%(371 flights)
- 3–6 PM84%(212 flights)
- 6–9 PM80%(140 flights)
Jun 83% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 83% | 121 |
| July 2025 | 92% | 123 |
| August 2025 | 93% | 125 |
| September 2025 | 97% | 113 |
| October 2025 | 94% | 126 |
| November 2025 | 88% | 120 |
| December 2025 | 74% | 117 |
| January 2026 | 70% | 115 |
| February 2026 | 86% | 105 |
| March 2026 | 81% | 124 |
| April 2026 | 92% | 117 |
| May 2026 | 90% | 118 |
Keep nerding
Based on 1,447 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.