Historical on-time performance
Chicago to Grand Rapids
137 miData through Dec 2025Source: US DOT · BTS
Flights on ORD–GRR arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled1.7%of scheduled flights
based on 3,392 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysbestOn-time83%Medianon timep9025 minCancel1.4%Flights838
- SkyWest AirlinesOn-time69%Medianon timep9080 minCancel2.1%Flights829
- Envoy AirOn-time74%Medianon timep9040 minCancel3.0%Flights637
- United AirlinesOn-time67%Medianon timep9070 minCancel0.9%Flights770
- American AirlinesOn-time66%Medianon timep9065 minCancel1.3%Flights318
Why flights run late
Delay causes
- Airline32%
- Weather7%
- Air traffic (NAS)17%
- Late aircraft43%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ORD → 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 65% to 83% on time.
- Middays83% on time · p90 30 min · 1,776 flights
- Mornings81% on time · p90 30 min · 1,671 flights
- Afternoons73% on time · p90 55 min · 1,944 flights
- Evenings72% on time · p90 55 min · 1,356 flights
- Overnights65% on time · p90 75 min · 1,863 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 79% on time.
- Tuesdays79% on time · p90 40 min · 1,211 flights
- Saturdays76% on time · p90 45 min · 1,163 flights
- Mondays75% on time · p90 50 min · 1,269 flights
- Wednesdays75% on time · p90 55 min · 1,220 flights
- Thursdays75% on time · p90 50 min · 1,251 flights
- Fridays73% on time · p90 65 min · 1,255 flights
- Sundays71% on time · p90 60 min · 1,241 flights
Advertisement
Keep exploring