BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
GRR→EWR

Grand Rapids, MI (GRR) to Newark, NJ (EWR) flight delay odds

75.1% of 837 official scheduled GRR-to-EWR flights arrived on time; 14.2% arrived at least 30 minutes late and 3.3% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
75.1%arrived on time
14.2%30+ min late
3.3%cancelled
837scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.1%all scheduled flights
120+ minutes late3.6%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+5.0 mincompleted flights

Which departure time was most reliable for GRR to EWR?

Among qualifying GRR-to-EWR departure window results, Early morning had the highest on-time rate: 84.9% of 364 flights. Evening was lowest at 62.7% across 67 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36484.9%7.1%3.6%
Afternoon37968.6%18.7%4.0%
Evening6762.7%25.4%0.0%

Which weekday was most reliable for GRR to EWR?

Among qualifying GRR-to-EWR weekday results, Tuesday had the highest on-time rate: 78.3% of 120 flights. Sunday was lowest at 67.7% across 124 flights.

DayFlightsOn time30+ minCancelled
Monday11775.2%13.7%4.3%
Tuesday12078.3%10.0%4.2%
Wednesday11677.6%14.7%0.9%
Thursday12576.0%12.0%2.4%
Friday11878.0%15.3%3.4%
Saturday11773.5%17.1%3.4%
Sunday12467.7%16.9%4.8%

Which airline was most reliable for GRR to EWR?

Only Republic Airways met the GRR-to-EWR airline threshold: 75.5% of 819 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Republic Airways81975.5%13.8%3.4%
Allegiant Air1662.5%31.2%0.0%
United Airlines250.0%50.0%0.0%

Which month was most reliable for GRR to EWR?

Among qualifying GRR-to-EWR month results, May 2026 had the highest on-time rate: 91.7% of 72 flights. December 2025 was lowest at 59.7% across 62 flights.

MonthFlightsOn time30+ minCancelled
July 20257566.7%20.0%6.7%
August 20256876.5%14.7%2.9%
September 20258582.4%10.6%1.2%
October 20258371.1%16.9%1.2%
November 20255974.6%20.3%3.4%
December 20256259.7%21.0%3.2%
January 20266267.7%17.7%8.1%
February 20265572.7%14.5%9.1%
March 20266274.2%14.5%4.8%
April 20266083.3%10.0%0.0%
May 20267291.7%5.6%0.0%
June 20269477.7%8.5%2.1%

What drove GRR to EWR delay minutes?

National airspace was the largest recorded GRR-to-EWR delay category, accounting for 47.8% of 13,002 BTS-attributed delay minutes during July 2025–June 2026.

Airline23.2%
Late aircraft28.0%
National airspace47.8%
Weather1.0%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.