ON TIMEBOARD
PIE St. Petersburg / GRR Grand Rapids

PIE → GRR on time

St. Petersburg Clearwater (St. Petersburg, FL) to Gerald R. Ford (Grand Rapids, MI). Every scheduled flight, September 2025 to August 2026.

On time
75%
arrived < 15 min late
Cancelled
0.3%
381 flights
Typical arrival
−5 min
median vs schedule
When late
+62 min
average delay
Flights / day
1
1 airline

75% of flights from St. Petersburg to Grand Rapids arrived on time over the past 12 months. That is worse than the typical U.S. route. 8% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for PIE → GRR: when a flight was late, it was under 45 minutes late 62% of the time. About 1 in 13 flights landed an hour or more late, and 1 in 95 three hours or more; 0.3% were cancelled outright.

Share of all 381 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Allegiant Air38175%0.3%−5 min7.6%+62 minAllegiant Air

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at PIE). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%9 a.m. departures: too few flights (24 flights)9a10 a.m. departures: too few flights (21 flights)10a11 a.m. departures: too few flights (55 flights)11anoon departures: too few flights (40 flights)12p1 p.m. departures: too few flights (2 flights)1p2 p.m. departures: too few flights (16 flights)2p3 p.m. departures: too few flights (11 flights)3p4 p.m. departures: too few flights (15 flights)4p5 p.m. departures: too few flights (55 flights)5p6 p.m. departures: too few flights (59 flights)6p7 p.m. departures: too few flights (22 flights)7p
PIE → GRR, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By month

Each calendar month pooled over 2023–2026. Best: April (87%). Worst: February (76%).

40%70%100%Jan: too few flights (98 flights)JanFeb: 76% on time (108 flights)76FebMar: 79% on time (143 flights)79MarApr: 87% on time (114 flights)87AprMay: too few flights (84 flights)MayJun: too few flights (81 flights)JunJul: too few flights (82 flights)JulAug: too few flights (63 flights)AugSep: too few flights (53 flights)SepOct: too few flights (88 flights)OctNov: too few flights (75 flights)NovDec: 78% on time (113 flights)78Dec

By day of week

DayFlightsOn timeCancelled
Monday65——
Tuesday37——
Wednesday46——
Thursday55——
Friday64——
Saturday59——
Sunday55——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 47%Airline (crew, maintenance, ops) 25%Air traffic & airport (NAS) 17%Severe weather 11%

Cancellations: weather 1

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Apr 11, 2026333%0
Mar 28, 2026367%0
Mar 21, 20263100%0
Apr 4, 20263100%0

Questions

How often are flights from PIE to GRR on time?

75% of 381 scheduled flights from St. Petersburg, FL to Grand Rapids, MI arrived within 15 minutes of schedule between September 2025 and August 2026. 0.3% were cancelled.

What month has the most delays from PIE to GRR?

February (76% on time). The best month is April (87%), over 2023–2026.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.