According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Grand Junction, CO (GJT) ranks #154 of 382 tracked US airports by total flights (most flights = #1). Grand Junction, CO posts above-median on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport.
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GJT on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Delay Cause Breakdown
Top delay cause: Carrier.
Total delay minutes: 335,257.
Late Aircraft26.2% (87,894 min)
Carrier47.6% (159,510 min)
NAS (National Aviation System)17.5% (58,750 min)
Weather8.6% (28,980 min)
Security0.0% (123 min)
GJT - seasonal on-time pattern
Best: September (94.3%) · worst: June (91.1%)
GJT - on-time rate by year
2020–2025, year-over-year trend.
GJT - taxi-out and taxi-in (monthly)
Average taxi-out 20.4 min · taxi-in 5 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).
GJT's average taxi-out (20.4 min) runs longer than the recent U.S. airport mean (~16.4 min). The heaviest month in this window is January 2024 at 22.8 min; the lightest is July 2024 at 17.7 min.
Cancellation & Diversion Analysis
Flight disruption statistics for Grand Junction, CO.
Two PlainFlights-derived comparison paths for Grand Junction, CO, both outside Colorado so the neighborhoods are not same-state geography. Axes stay disjoint: volume peers exclude the on-time peer set. Same-state compare stays below.
The standout signal at Grand Junction, CO is the delay mix: Carrier owns 47.6% of 335,257 delay minutes across 47,063 BTS flights. The on-time headline is 85.1% (6.1 pts above the 79% national average), with 6,989 delayed and 448 cancelled (0.95%).
Delay minutes concentrate in Carrier (26.2% late-aircraft, 47.6% carrier, 17.5% NAS, 8.6% weather, 0.0% security). Mid-volume books still show a clear delay fingerprint rather than a weather-only story.
On the multi-year calendar, GJT is strongest in September (94.3% on-time) and weakest in June (91.1%), a 3.2-point swing. Volume peaks in October (~732 flights/month). The busiest connecting route is to DEN (Denver) at 80.4% on-time. Field definitions: on-time performance explained.
Grand Junction, CO vs. the national on-time distribution
On-time rate among all 382 tracked U.S. airports
85.1%Top 32%higher than 68% of 382 airports
Grand Junction, CO
60%95%
U.S. airports by on-time rate, bucketed by value
Each bar is a band; taller bars hold more airports. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025).
Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.
GJT's on-time book is stronger than most peers; the remaining risk sits in the delay mix, not a weak headline rate.
Check the busiest route from GJT before you book a connection. See top routes →
Travel in September rather than June if your dates are flexible. Seasonal patterns →
Build extra connection buffer when taxi-out spikes. January 2024 averaged 22.8 min. Taxi times →
On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.
Frequently Asked Questions
What is Grand Junction, CO's on-time rate?
Grand Junction, CO (GJT) has a 85.1% on-time rate across 47,063 BTS-tracked flights (2020-2025), 6.1 pts above the 79% national flight-weighted average; that places it in roughly the above-median on-time performance.
How does GJT rank among U.S. airports by traffic volume?
Grand Junction, CO ranks #154 of 382 tracked US airports by total BTS flights (most flights = #1), making it a mid-size U.S. airport.
What's the most common cause of delays at Grand Junction, CO?
Carrier is the leading delay cause at GJT, accounting for 47.6% of delay minutes. The full breakdown: 26.2% late-aircraft, 47.6% carrier, 17.5% NAS/air-traffic-control, 8.6% weather, and 0.0% security.
When is the best time to fly through Grand Junction, CO?
September is historically GJT's strongest month at 94.3% on-time, while June is the weakest at 91.1%, a 3.2-point swing across the BTS historical record.
Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights