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

Grand Rapids, MI (GRR) to St. Petersburg, FL (PIE) flight delay odds

76.1% of 381 official scheduled GRR-to-PIE flights arrived on time; 12.6% arrived at least 30 minutes late and 0.3% 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 SIGNALGenerally reliable
76.1%arrived on time
12.6%30+ min late
0.3%cancelled
381scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.2%all scheduled flights
120+ minutes late1.6%all scheduled flights
Diverted0.8%did not reach as scheduled
Average arrival+2.4 mincompleted flights

Which departure time was most reliable for GRR to PIE?

Among qualifying GRR-to-PIE departure window results, Early morning had the highest on-time rate: 82.2% of 73 flights. Afternoon was lowest at 71.0% across 155 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning7382.2%12.3%0.0%
Late morning9779.4%9.3%0.0%
Afternoon15571.0%17.4%0.6%
Evening5676.8%5.4%0.0%

Which weekday was most reliable for GRR to PIE?

Among qualifying GRR-to-PIE weekday results, Wednesday had the highest on-time rate: 87.0% of 46 flights. Sunday was lowest at 63.6% across 55 flights.

DayFlightsOn time30+ minCancelled
Monday6478.1%15.6%1.6%
Tuesday3878.9%5.3%0.0%
Wednesday4687.0%4.3%0.0%
Thursday5578.2%9.1%0.0%
Friday6475.0%17.2%0.0%
Saturday5974.6%10.2%0.0%
Sunday5563.6%21.8%0.0%

Which airline was most reliable for GRR to PIE?

Only Allegiant Air met the GRR-to-PIE airline threshold: 76.1% of 381 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Allegiant Air38176.1%12.6%0.3%

Which month was most reliable for GRR to PIE?

Among qualifying GRR-to-PIE month results, October 2025 had the highest on-time rate: 86.7% of 30 flights. August 2025 was lowest at 61.9% across 21 flights.

MonthFlightsOn time30+ minCancelled
July 20252875.0%21.4%0.0%
August 20252161.9%19.0%0.0%
September 20251883.3%16.7%0.0%
October 20253086.7%3.3%0.0%
November 20252665.4%15.4%0.0%
December 20254170.7%22.0%0.0%
January 20263473.5%8.8%0.0%
February 20263683.3%11.1%0.0%
March 20265176.5%7.8%2.0%
April 20263979.5%12.8%0.0%
May 20263073.3%10.0%0.0%
June 20262781.5%7.4%0.0%

What drove GRR to PIE delay minutes?

National airspace was the largest recorded GRR-to-PIE delay category, accounting for 41.2% of 4,229 BTS-attributed delay minutes during July 2025–June 2026.

Airline20.7%
Late aircraft20.6%
National airspace41.2%
Weather17.4%
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.