Airport reliability
Grand Rapids (GRR) on-time performance
How reliably flights leave Grand Rapids, MI (GRR) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
Grand Rapids, MI19,378 departures in 12 months
- Departures on time
- 74.7% U.S. average 75.6%
- Cancelled
- 1.9% U.S. average 1.9%
- 60+ minutes late
- 9.1% U.S. average 8.1%
- Scheduled departures
- 19,378 12 months
What this means
GRR departures ran below the U.S. average.
- 74.7% of the 19,378 scheduled departures from Grand Rapids (GRR) arrived at their destination on time, 0.9 points lower than the U.S. average of 75.6%.
- 1.9% of departures were cancelled (U.S. average 1.9%), and 9.1% arrived an hour or more late.
- Flights arriving at GRR were on time 72.5% of the time.
- Among airlines with at least 300 departures, Delta Air Lines was the most punctual from GRR (84.0%) and United Airlines the least (68.0%).
- Over the last 3 years, October was the most reliable month for departures from GRR (85.9% on time) and January the least reliable (65.2%).
- Cancellations peaked in January, when 3.9% of flights were cancelled.
- Flights scheduled to depart before 6 am were the most punctual (84.6% on time); flights scheduled to depart 6 pm to 7 pm were the least (64.4%).
Airlines at GRR
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| Delta Air Lines | 84.0% | 1.3% | 5.5% | 83 min | 1,997 |
| Frontier Airlines | 77.5% | 0.8% | 10.6% | 101 min | 395 |
| Southwest Airlines | 76.9% | 0.5% | 4.7% | 52 min | 2,132 |
| Allegiant Air | 76.3% | 0.2% | 8.3% | 70 min | 2,476 |
| SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska | 75.2% | 1.8% | 11.9% | 103 min | 3,018 |
| Republic AirwaysSold as American Eagle, Delta Connection, United Express | 75.0% | 4.2% | 8.2% | 75 min | 2,643 |
| American Airlines | 73.0% | 2.3% | 10.4% | 115 min | 2,751 |
| PSA AirlinesSold as American Eagle | 68.1% | 4.1% | 12.9% | 125 min | 1,083 |
| Envoy AirSold as American Eagle | 68.1% | 3.7% | 11.1% | 73 min | 1,067 |
| United Airlines | 68.0% | 0.9% | 10.1% | 78 min | 1,816 |
Tap a heading to sort.
On-time rate by departure hour
Share of scheduled flights on time GRR average 74.7%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | 84.6% | 615 |
| Departing 6 am to 7 am | 84.2% | 2,796 |
| Departing 7 am to 8 am | 77.1% | 2,038 |
| Departing 8 am to 9 am | 83.0% | 1,256 |
| Departing 9 am to 10 am | 75.2% | 785 |
| Departing 10 am to 11 am | 79.2% | 687 |
| Departing 11 am to noon | 81.2% | 712 |
| Departing noon to 1 pm | 76.3% | 1,664 |
| Departing 1 pm to 2 pm | 73.0% | 1,348 |
| Departing 2 pm to 3 pm | 66.5% | 1,309 |
| Departing 3 pm to 4 pm | 70.7% | 1,472 |
| Departing 4 pm to 5 pm | 69.2% | 1,242 |
| Departing 5 pm to 6 pm | 65.6% | 1,081 |
| Departing 6 pm to 7 pm | 64.4% | 1,111 |
| Departing 7 pm to 8 pm | 65.1% | 770 |
| Departing 8 pm to 9 pm | 67.0% | 388 |
| Departing 9 pm to 10 pm | 57.0% | 86 |
| Departing 10 pm to 11 pm | Insufficient sample | 18 |
Best and worst months at GRR
Share of scheduled flights on time 12-month average 74.7%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 65.2% | 4,296 |
| February | 79.5% | 4,109 |
| March | 78.0% | 4,968 |
| April | 82.5% | 4,701 |
| May | 80.5% | 4,698 |
| June | 74.7% | 4,814 |
| July | 72.1% | 4,906 |
| August | 77.3% | 4,710 |
| September | 83.1% | 4,355 |
| October | 85.9% | 4,704 |
| November | 82.6% | 4,430 |
| December | 73.9% | 4,689 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 81.8% | 1,504 |
| Oct 2025 | 81.5% | 1,782 |
| Nov 2025 | 76.4% | 1,646 |
| Dec 2025 | 59.7% | 1,579 |
| Jan 2026 | 61.0% | 1,393 |
| Feb 2026 | 76.2% | 1,376 |
| Mar 2026 | 70.0% | 1,732 |
| Apr 2026 | 77.4% | 1,710 |
| May 2026 | 81.6% | 1,726 |
| Jun 2026 | 76.1% | 1,586 |
| Jul 2026 | 74.2% | 1,674 |
| Aug 2026 | 77.5% | 1,670 |
Busiest routes from GRR
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Chicago (ORD) | 67.0% | 3.0% | 6 | 4,079 |
| Detroit (DTW) | 78.8% | 0.9% | 3 | 1,620 |
| Atlanta (ATL) | 85.4% | 1.3% | 2 | 1,417 |
| Minneapolis (MSP) | 80.1% | 1.2% | 2 | 1,253 |
| Denver (DEN) | 75.2% | 0.4% | 4 | 1,234 |
| Charlotte (CLT) | 78.9% | 1.1% | 1 | 1,008 |
| Dallas/Fort Worth (DFW) | 68.7% | 3.0% | 3 | 983 |
| Chicago (MDW) | 78.4% | 0.4% | 1 | 932 |
| New York (LGA) | 76.5% | 5.2% | 1 | 915 |
| Newark (EWR) | 74.6% | 4.6% | 3 | 889 |
| Washington (DCA) | 62.8% | 4.3% | 3 | 728 |
| Baltimore (BWI) | 79.4% | 0.9% | 1 | 461 |
| Philadelphia (PHL) | 78.4% | 3.2% | 3 | 403 |
| Sanford (SFB) | 73.2% | 0.8% | 1 | 396 |
| Orlando (MCO) | 76.8% | 0.8% | 3 | 392 |
| St. Petersburg (PIE) | 76.4% | 0.3% | 1 | 381 |
| Las Vegas (LAS) | 74.7% | 0.0% | 2 | 364 |
| Punta Gorda (PGD) | 82.0% | 0.0% | 1 | 345 |
| Miami (MIA) | 78.3% | 1.3% | 2 | 226 |
| Phoenix (AZA) | 74.5% | 0.0% | 1 | 208 |
Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Scheduled nonstop domestic departures from Grand Rapids, MI (GRR) by airlines that report to the DOT.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.