Historical on-time performance
Chicago to Grand Rapids
Flights on ORD–GRR arrive on time 68% of the time over the last 12 months.
based on 4,002 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Republic AirwaysOn-time75%Medianon timep9050 minCancel2.2%Flights669
- Envoy AirOn-time72%Medianon timep9055 minCancel3.6%Flights952
- SkyWest AirlinesOn-time67%Medianon timep9085 minCancel3.5%Flights892
- United AirlinesOn-time65%Medianon timep9075 minCancel1.3%Flights1,033
- American AirlinesOn-time57%Median5 minp9085 minCancel3.3%Flights456
Why flights run late
Delay causes
- Airline28%
- Weather9%
- Air traffic (NAS)18%
- Late aircraft45%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline5%
- Weather63%
- Air traffic (NAS)32%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 108 cancellations with a reported cause (BTS reports causes from June 2003).
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 (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 64% to 80% on time.
- Middays80% on time · p90 40 min · 2,086 flights
- Mornings80% on time · p90 35 min · 1,681 flights
- Afternoons72% on time · p90 55 min · 1,994 flights
- Evenings69% on time · p90 65 min · 1,495 flights
- Overnights64% on time · p90 80 min · 2,147 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 75% on time.
- Tuesdays75% on time · p90 50 min · 1,319 flights
- Saturdays75% on time · p90 45 min · 1,258 flights
- Wednesdays74% on time · p90 55 min · 1,329 flights
- Thursdays73% on time · p90 60 min · 1,380 flights
- Mondays72% on time · p90 65 min · 1,384 flights
- Sundays71% on time · p90 65 min · 1,351 flights
- Fridays70% on time · p90 70 min · 1,382 flights
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