Route · PIE → GRR · 2020–2025 BTS data
St. Petersburg to Grand Rapids
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PIE to GRR (St. Petersburg to Grand Rapids) ranks #4369 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 75.5%
- On-time
- -3.5 pts
- vs US avg
- 74 min
- Delay when late
- 1,176
- Flights
- #4369 of 4927
- Corpus placement
Cancelled
2.1%
Best Month
Mar 2025 84%
Worst Month
Mar 2025 84%
Distance
1,044 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 41 | 9 | 0 | 0 | G4 |
| Oct 2025 | 30 | 4 | 0 | 0 | G4 |
| Jun 2025 | 30 | 11 | 0 | 0 | G4 |
| May 2025 | 31 | 8 | 0 | 0 | G4 |
| Apr 2025 | 42 | 5 | 0 | 0 | G4 |
| Mar 2025 | 51 | 8 | 0 | 0 | G4 |
| Feb 2025 | 37 | 9 | 0 | 0 | G4 |
| Jan 2025 | 34 | 8 | 0 | 0 | G4 |
| Dec 2024 | 42 | 12 | 1 | 0 | G4 |
| Apr 2024 | 33 | 3 | 0 | 0 | G4 |
| Mar 2024 | 41 | 10 | 1 | 0 | G4 |
| Feb 2024 | 35 | 9 | 0 | 0 | G4 |
| Jan 2024 | 30 | 12 | 0 | 0 | G4 |
| Dec 2023 | 30 | 3 | 0 | 0 | G4 |
| Apr 2023 | 35 | 5 | 0 | 0 | G4 |
| Mar 2023 | 39 | 15 | 0 | 0 | G4 |
| Feb 2023 | 34 | 7 | 0 | 0 | G4 |
| Dec 2022 | 33 | 13 | 4 | 0 | G4 |
| Apr 2022 | 36 | 14 | 4 | 0 | G4 |
| Mar 2022 | 41 | 22 | 2 | 0 | G4 |
| Feb 2022 | 35 | 15 | 1 | 0 | G4 |
| Jan 2022 | 30 | 11 | 3 | 0 | G4 |
| Dec 2021 | 36 | 13 | 2 | 0 | G4 |
| Apr 2021 | 35 | 9 | 0 | 0 | G4 |
PIE–GRR seasonal on-time pattern
Best: October (86.7%) · weakest: June (63.3%)
Strongest calendar month
October
86.7% on-time · ~30 flights/mo
Busiest calendar month
March
~45 flights/mo avg
Weakest calendar month
June
63.3% on-time · ~30 flights/mo
Cancellation Rate
2.1%
18 of 861 flights
Diversion Rate
0.0%
0 of 861 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PIE - St. Petersburg
Full on-time, delay-cause, and seasonal performance for St. Petersburg, FL.
PIE on-time profileGRR - Grand Rapids
Full on-time, delay-cause, and seasonal performance for Grand Rapids, MI.
GRR on-time profileCompare the two airports
See PIE and GRR side by side on delays, cancellations, and reliability.
Compare PIE vs GRROrigin-hub reliability standing
Mid-pack among PIE departures
From PIE, this corridor sits with 1 other 75–85% on-time routes out of 4 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 3 below 75%). Destination: Grand Rapids · fleet on-time rank #4395 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to PIE–GRR.
Routes with a similar on-time rate
What the Data Says About PIE to GRR
The St. Petersburg to Grand Rapids corridor (PIE to GRR) posts a 75.5% on-time rate on the lower edge of the average band, based on 1,176 tracked flights. Late flights run 73.7 minutes behind on average. 1 carrier cover the 1,044-mile route; over the last 24 months, 18 of 861 flights were cancelled (2.1%) and 0.0% diverted.
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
On the multi-year calendar, PIE–GRR peaks in October at 86.7% on-time while March carries the heaviest traffic (~45 flights per month) ; the softest month is June at 63.3%, a 23.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does PIE to GRR rank among US routes by traffic? ▼
How often are flights delayed from PIE to GRR? ▼
What is the cancellation rate for PIE to GRR? ▼
How far is the flight from PIE to GRR? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using PIE–GRR data
PIE–GRR is mid-pack at 75.5% on-time; month and carrier mix move more than the corridor headline.
- Compare PIE and GRR airport profiles: delay causes and top routes differ even on the same corridor. PIE airport
- If your dates flex, October (86.7% on-time) beats June (63.3%) on this corridor. Seasonal chart
- 4 other routes post a similar 75.5% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.