Airport reliability
Gunnison (GUC) on-time performance
How reliably flights leave Gunnison, CO (GUC) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
Gunnison, CO1,299 departures in 12 months
- Departures on time
- 80.9% U.S. average 75.6%
- Cancelled
- 2.2% U.S. average 1.9%
- 60+ minutes late
- 8.2% U.S. average 8.1%
- Scheduled departures
- 1,299 12 months
What this means
GUC departures beat the U.S. average.
- 80.9% of the 1,299 scheduled departures from Gunnison (GUC) arrived at their destination on time, 5.3 points higher than the U.S. average of 75.6%.
- 2.2% of departures were cancelled (U.S. average 1.9%), and 8.2% arrived an hour or more late.
- Flights arriving at GUC were on time 77.9% of the time.
- Over the last 3 years, April was the most reliable month for departures from GUC (90.1% on time) and July the least reliable (72.0%).
- Cancellations peaked in November, when 4.1% of flights were cancelled.
- Flights scheduled to depart 7 am to 8 am were the most punctual (88.8% on time); flights scheduled to depart 3 pm to 4 pm were the least (68.7%).
Airlines at GUC
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska | 81.5% | 2.2% | 7.8% | 103 min | 1,224 |
| American Airlines | 72.0% | 1.3% | 16.0% | 128 min | 75 |
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On-time rate by departure hour
Share of scheduled flights on time GUC average 80.9%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing 7 am to 8 am | 88.8% | 365 |
| Departing 8 am to 9 am | Insufficient sample | 12 |
| Departing 9 am to 10 am | Insufficient sample | 10 |
| Departing noon to 1 pm | 74.6% | 185 |
| Departing 1 pm to 2 pm | 86.5% | 364 |
| Departing 2 pm to 3 pm | 78.6% | 98 |
| Departing 3 pm to 4 pm | 68.7% | 265 |
Best and worst months at GUC
Share of scheduled flights on time 12-month average 80.9%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 76.8% | 379 |
| February | 80.0% | 350 |
| March | 78.4% | 399 |
| April | 90.1% | 182 |
| May | 78.9% | 185 |
| June | 72.4% | 257 |
| July | 72.0% | 282 |
| August | 72.5% | 284 |
| September | 87.2% | 211 |
| October | 85.6% | 180 |
| November | 86.5% | 148 |
| December | 83.4% | 277 |
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 | 80.0% | 90 |
| Oct 2025 | 80.5% | 87 |
| Nov 2025 | 91.5% | 59 |
| Dec 2025 | 79.4% | 107 |
| Jan 2026 | 78.5% | 149 |
| Feb 2026 | 82.5% | 143 |
| Mar 2026 | 80.5% | 164 |
| Apr 2026 | 94.8% | 77 |
| May 2026 | 86.3% | 73 |
| Jun 2026 | 78.6% | 103 |
| Jul 2026 | 77.2% | 123 |
| Aug 2026 | 73.4% | 124 |
Busiest routes from GUC
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Denver (DEN) | 82.6% | 1.0% | 1 | 994 |
| Dallas/Fort Worth (DFW) | 76.0% | 5.7% | 2 | 283 |
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 Gunnison, CO (GUC) 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.