Historical on-time performance
Atlanta to Grand Rapids
640 miData through Dec 2025Source: US DOT · BTS
Flights on ATL–GRR arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.1%of scheduled flights
based on 1,381 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time82%Medianon timep9035 minCancel1.1%Flights1,381
Why flights run late
Delay causes
- Airline45%
- Weather14%
- Air traffic (NAS)14%
- Late aircraft27%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ATL → GRR
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 76% to 86% on time.
- Middays86% on time · p90 20 min · 786 flights
- Mornings85% on time · p90 20 min · 1,061 flights
- Afternoons82% on time · p90 30 min · 919 flights
- Evenings79% on time · p90 40 min · 268 flights
- Overnights76% on time · p90 50 min · 1,122 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 86% on time.
- Wednesdays86% on time · p90 25 min · 576 flights
- Tuesdays85% on time · p90 20 min · 593 flights
- Mondays84% on time · p90 25 min · 614 flights
- Saturdays83% on time · p90 30 min · 488 flights
- Thursdays82% on time · p90 30 min · 642 flights
- Sundays77% on time · p90 40 min · 638 flights
- Fridays76% on time · p90 40 min · 605 flights
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