Airport · GUC · Gunnison, Colorado
Gunnison, CO
Gunnison, CO posts below-median on-time performance among the 382 tracked U.S. airports, as a smaller regional airport. According to the U.S. DOT Bureau of Transportation Statistics, drawn from 9,819 flights (2020–2025); its biggest delay driver is carrier.
Data updated 2026-06-13
- 82.9%
- On-time
- Top 56%
- on-time, US airports
- 110 min
- Delay when late
- 1.57%
- Cancelled
Key Performance Metrics
Total Flights
9,819
Best Month
Sep 95.8%
Worst Month
Jun 88.8%
Delayed
1,675
Cancelled
154
GUC on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Where GUC sits among all 382 tracked airports
GUC's 82.9% on-time rate falls in the 80-85% band, the 192-airport band it shares.
National on-time-rate distribution
- 60-65% 1
1 airport between 60% and 65% on-time
1 airports
- 65-70% 4
4 airports between 65% and 70% on-time
4 airports
- 70-75% 9
9 airports between 70% and 75% on-time
9 airports
- 75-80% 48
48 airports between 75% and 80% on-time
48 airports
- 80-85%
192 airports between 80% and 85% on-time
192 airports
- 85-90%
116 airports between 85% and 90% on-time
116 airports
- 90-95% 12
12 airports between 90% and 95% on-time
12 airports
What this shows GUC is marked in the 80-85% band.
Delay Cause Breakdown
Top delay cause: Carrier. Total delay minutes: 103,148.
GUC - seasonal on-time pattern
Best: September (95.8%) · worst: June (88.8%)
Seasonal Performance Patterns
Monthly averages across all years of data. Best month: September (95.8% on-time). Most delays: June (88.8% on-time).
| Month | Avg Flights | Avg Delayed | Avg Cancelled | On-Time % |
|---|---|---|---|---|
| December | 182 | 36 | 4 | 89.9% |
| November | 89 | 9 | 2 | 95.7% |
| October | 92 | 11 | 1 | 94.6% |
| September | 123 | 12 | 0 | 95.8% |
| August | 142 | 23 | 1 | 92.2% |
| July | 136 | 25 | 1 | 90.7% |
| June | 110 | 25 | 1 | 88.8% |
| May | 88 | 15 | 0 | 91.6% |
| April | 80 | 10 | 3 | 95.2% |
| March | 211 | 35 | 6 | 91.6% |
| February | 192 | 37 | 5 | 90.3% |
| January | 206 | 44 | 4 | 89.4% |
Year-Over-Year Performance
Annual flight volume and on-time trends at GUC.
GUC - on-time rate by year
2020–2025, year-over-year trend.
| Year | Flights | Delayed | Cancelled | On-Time % |
|---|---|---|---|---|
| 2025 | 2,276 | 235 | 5 | 89.7% |
| 2024 | 1,698 | 126 | 10 | 92.6% |
| 2023 | 1,450 | 114 | 31 | 92.1% |
| 2022 | 2,042 | 190 | 46 | 90.7% |
| 2021 | 1,269 | 96 | 28 | 92.4% |
| 2020 | 1,084 | 58 | 34 | 94.6% |
Cancellation & Diversion Analysis
Flight disruption statistics for Gunnison, CO.
Cancellation Rate
1.57%
154 of 9,819 flights
Diversion Rate
0.17%
17 of 9,819 flights
Delay Rate
17.1%
1,675 of 9,819 flights
Monthly Performance
Recent 24 months of flight data.
| Period | Flights | Dep Delayed | Arr Delayed | Cancelled | Diverted |
|---|---|---|---|---|---|
| Dec 2025 | 214 | 14 | 22 | 0 | 1 |
| Nov 2025 | 118 | 5 | 7 | 1 | 0 |
| Oct 2025 | 174 | 11 | 11 | 0 | 0 |
| Sep 2025 | 180 | 14 | 14 | 0 | 0 |
| Aug 2025 | 186 | 29 | 21 | 0 | 3 |
| Jul 2025 | 186 | 29 | 23 | 1 | 0 |
| Jun 2025 | 178 | 28 | 24 | 0 | 0 |
| May 2025 | 144 | 17 | 15 | 0 | 1 |
| Apr 2025 | 126 | 12 | 16 | 0 | 0 |
| Mar 2025 | 274 | 26 | 16 | 0 | 2 |
| Feb 2025 | 236 | 23 | 27 | 2 | 0 |
| Jan 2025 | 260 | 27 | 29 | 1 | 0 |
| Dec 2024 | 196 | 15 | 12 | 2 | 0 |
| Nov 2024 | 118 | 8 | 9 | 4 | 0 |
| Oct 2024 | 124 | 3 | 4 | 0 | 0 |
| Sep 2024 | 126 | 1 | 4 | 0 | 0 |
| Aug 2024 | 134 | 13 | 15 | 0 | 0 |
| Jul 2024 | 132 | 7 | 12 | 0 | 0 |
| Jun 2024 | 130 | 13 | 13 | 0 | 0 |
| May 2024 | 81 | 6 | 7 | 0 | 0 |
| Apr 2024 | 83 | 2 | 5 | 0 | 0 |
| Mar 2024 | 196 | 18 | 18 | 1 | 0 |
| Feb 2024 | 178 | 13 | 14 | 1 | 0 |
| Jan 2024 | 200 | 27 | 30 | 2 | 0 |
Top Routes from GUC
Busiest routes to and from Gunnison, CO.
| Route | Flights | On-Time | Distance |
|---|---|---|---|
| DEN (Denver) → GUC (Gunnison) | 3,742 | 82.5% | 152 mi |
| GUC (Gunnison) → DEN (Denver) | 3,741 | 79.6% | 152 mi |
| DFW (Dallas/Fort Worth) → GUC (Gunnison) | 577 | 78.5% | 678 mi |
| GUC (Gunnison) → DFW (Dallas/Fort Worth) | 577 | 72.6% | 678 mi |
Airports With a Similar On-Time Rate
Other U.S. airports nationwide whose on-time rate is closest to Gunnison, CO's 82.9%.
Other Airports in Colorado
Compare performance with other Colorado airports.
Denver, CO
Denver · 3,293,040 flights
Colorado Springs, CO
Colorado Springs · 134,711 flights
Aspen, CO
Aspen · 78,805 flights
Grand Junction, CO
Grand Junction · 47,063 flights
Durango, CO
Durango · 42,722 flights
Eagle, CO
Eagle · 37,271 flights
Montrose/Delta, CO
Montrose/Delta · 32,233 flights
Hayden, CO
Hayden · 27,069 flights
Keep exploring
More flight data around Gunnison, CO.
Colorado flight data
Statewide on-time and delay aggregates, plus every reporting airport in Colorado.
View CO data →Airport rankings
See where GUC sits among U.S. airports on on-time rate and average delay.
Best on-time airports →Compare airports
Put GUC head-to-head with another airport on delays and reliability.
Open comparison tool →What the Data Says About GUC
Gunnison, CO in Gunnison, Colorado handled 9,819 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 82.9% on-time departure rate. Of those flights, 1,675 experienced delays, 154 were cancelled, and 17 were diverted. The cancellation rate works out to 1.57%, the diversion rate to 0.17%, and the average delay when departures run late is 110.4 minutes. These figures are the baseline for comparing GUC against other airports in the same state and nationally.
Breaking down what drives delays at GUC, Carrier leads the pack. Carrier accounts for 53.4% of total delay minutes, followed by Late Aircraft at 26.5% and NAS (National Aviation System) at 12.4%. Weather contributes 7.6% of delay minutes at this airport, while security holds the smallest share at 0.1%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.
Seasonally, September runs the cleanest at GUC with a 95.8% on-time rate, while June is the roughest at 88.8% - a 7-point swing between best and worst month. Volume peaks in March, when average flights hit 211. The busiest route connecting GUC is to DEN (Denver), with 3,742 flights at a 82.5% on-time rate. Combine these numbers - 82.9% on-time, 110.4-minute average delay, 1.57% cancellation rate, and you have a concrete picture of departure reliability at Gunnison, CO.
Frequently Asked Questions
What is the on-time performance rate at Gunnison, CO (GUC)? ▼
What is the most common cause of delays at GUC? ▼
What is the average delay time at GUC? ▼
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How many routes operate from GUC? ▼
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Flight Guides
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Using GUC's data
An airport-level on-time rate is a starting point, not a guarantee for your specific flight.
- Check the busiest route from GUC before you book a connection. See top routes
- Travel in September rather than June if your dates are flexible. Seasonal patterns
- Scores vary by airline and route within the same airport; check the specific carrier you're flying. Browse airlines
On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.
Related
Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.