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

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

79.8% of 837 official scheduled EWR-to-GRR flights arrived on time; 9.4% arrived at least 30 minutes late and 3.8% 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
79.8%arrived on time
9.4%30+ min late
3.8%cancelled
837scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.2%all scheduled flights
120+ minutes late1.9%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival-1.7 mincompleted flights

Which departure time was most reliable for EWR to GRR?

Among qualifying EWR-to-GRR departure window results, Afternoon had the highest on-time rate: 85.7% of 98 flights. Night was lowest at 72.3% across 83 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning36583.3%6.8%1.9%
Afternoon9885.7%8.2%0.0%
Evening28074.6%12.9%7.5%
Night8372.3%12.0%4.8%

Which weekday was most reliable for EWR to GRR?

Among qualifying EWR-to-GRR weekday results, Monday had the highest on-time rate: 85.5% of 117 flights. Sunday was lowest at 71.8% across 124 flights.

DayFlightsOn time30+ minCancelled
Monday11785.5%5.1%5.1%
Tuesday12080.8%8.3%2.5%
Wednesday11681.0%11.2%2.6%
Thursday12577.6%11.2%4.8%
Friday11881.4%7.6%2.5%
Saturday11781.2%8.5%2.6%
Sunday12471.8%13.7%6.5%

Which airline was most reliable for EWR to GRR?

Only Republic Airways met the EWR-to-GRR airline threshold: 80.3% of 819 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Republic Airways81980.3%9.0%3.9%
Allegiant Air1650.0%31.2%0.0%
United Airlines2100.0%0.0%0.0%

Which month was most reliable for EWR to GRR?

Among qualifying EWR-to-GRR month results, September 2025 had the highest on-time rate: 92.9% of 85 flights. July 2025 was lowest at 64.0% across 75 flights.

MonthFlightsOn time30+ minCancelled
July 20257564.0%20.0%10.7%
August 20256882.4%13.2%1.5%
September 20258592.9%4.7%1.2%
October 20258379.5%9.6%1.2%
November 20255978.0%11.9%3.4%
December 20256275.8%8.1%6.5%
January 20266269.4%9.7%6.5%
February 20265580.0%7.3%7.3%
March 20266267.7%14.5%6.5%
April 20266085.0%5.0%0.0%
May 20267288.9%5.6%1.4%
June 20269487.2%5.3%2.1%

What drove EWR to GRR delay minutes?

Late aircraft was the largest recorded EWR-to-GRR delay category, accounting for 48.4% of 8,375 BTS-attributed delay minutes during July 2025–June 2026.

Airline25.9%
Late aircraft48.4%
National airspace24.5%
Weather1.2%
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.