GRR to DEN flight delays & on-time performance
Nonstop flights from Gerald R. Ford International Airport to Denver International Airport · 1,015 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at GRR or DEN right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Grand Rapids (GRR) to Denver (DEN) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 0.3% were cancelled, and 7% arrived an hour or more late.
- Frontier Airlines was the most punctual airline here (80% on time); Southwest Airlines was the least (75%).
- Departures scheduled around 5am did best (88% on time); around 4pm did worst (68%).
- Saturday was the most reliable day to fly (81% on time) and Wednesday the least (72%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (36%).
Which airline is most on time from GRR to DEN?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 100% | 0.0% | 0 min | 0.0% | 1 |
| Frontier Airlines | 80% | 0.0% | 19 min | 9.0% | 147 |
| United Airlines | 78% | 0.4% | 19 min | 6.5% | 727 |
| Southwest Airlines | 75% | 0.3% | 16 min | 7.3% | 359 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am88%42 flights
- 7am100%13 flights
- 8am86%272 flights
- 9am79%220 flights
- 12pm90%21 flights
- 3pm73%407 flights
- 4pm68%63 flights
- 5pm38%29 flights
- 7pm87%15 flights
- 8pm80%124 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday75%0.5% cancelled
- Tuesday78%0.0% cancelled
- Wednesday72%0.6% cancelled
- Thursday77%0.6% cancelled
- Friday80%0.0% cancelled
- Saturday81%0.5% cancelled
- Sunday79%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)36%
- Late-arriving aircraft30%
- Air traffic control & airport congestion29%
- Extreme weather5%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)50%
- Extreme weather25%
- Air traffic control & airport congestion25%
- Security0%
GRR to DEN: common questions
- How often are GRR to DEN flights on time?
- 78% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Grand Rapids to Denver cancelled?
- 0.3% of scheduled flights were cancelled (4 of 1,234).
- How long are typical delays?
- Across all flights the average arrival delay was 19 min (early arrivals count as zero). Flights that were late arrived 78 min behind schedule on average, and 7.0% of flights were an hour or more late.
- How long is taxi time at GRR?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DEN to GRR — 76% on time
More flights from Grand Rapids
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: GRR → DEN, nonstop flights by US airlines that report to the DOT. How we calculate this.