According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Great Falls, MT (GTF) ranks #181 of 382 tracked US airports by total flights (most flights = #1). Great Falls, MT posts top-10% on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport.
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GTF 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: 169,867.
Late Aircraft20.8% (35,296 min)
Carrier48.2% (81,869 min)
NAS (National Aviation System)13.9% (23,538 min)
Weather17.1% (29,100 min)
Security0.0% (64 min)
GTF - seasonal on-time pattern
Best: March (95.8%) · worst: February (93.2%)
GTF - on-time rate by year
2020–2025, year-over-year trend.
GTF - taxi-out and taxi-in (monthly)
Average taxi-out 16.6 min · taxi-in 4.4 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).
GTF's average taxi-out (16.6 min) sits near the recent U.S. airport mean (~16.4 min). Month-to-month, it swings from 12.7 min (September 2024) to 25.3 min (February 2025).
Two PlainFlights-derived comparison paths for Great Falls, MT, both outside Montana 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 Great Falls, MT is the delay mix: Carrier owns 48.2% of 169,867 delay minutes across 29,395 BTS flights. The on-time headline is 88.3% (9.3 pts above the 79% national average), with 3,436 delayed and 176 cancelled (0.60%).
Delay minutes concentrate in Carrier (20.8% late-aircraft, 48.2% carrier, 13.9% NAS, 17.1% weather, 0.0% security). Mid-volume books still show a clear delay fingerprint rather than a weather-only story.
On the multi-year calendar, GTF is strongest in March (95.8% on-time) and weakest in February (93.2%), a 2.6-point swing. Volume peaks in August (~451 flights/month). The busiest connecting route is to SLC (Salt Lake City) at 91.9% on-time. Field definitions: on-time performance explained.
Great Falls, MT vs. the national on-time distribution
On-time rate among all 382 tracked U.S. airports
88.3%Top 8%higher than 92% of 382 airports
Great Falls, MT
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.
GTF'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 GTF before you book a connection. See top routes →
Travel in March rather than February if your dates are flexible. Seasonal patterns →
Gate-to-wheels taxi-out averages 16.6 min here; check the monthly series before a tight connection. 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 Great Falls, MT's on-time rate?
Great Falls, MT (GTF) has a 88.3% on-time rate across 29,395 BTS-tracked flights (2020-2025), 9.3 pts above the 79% national flight-weighted average; that places it in roughly the top-10% on-time performance.
How does GTF rank among U.S. airports by traffic volume?
Great Falls, MT ranks #181 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 Great Falls, MT?
Carrier is the leading delay cause at GTF, accounting for 48.2% of delay minutes. The full breakdown: 20.8% late-aircraft, 48.2% carrier, 13.9% NAS/air-traffic-control, 17.1% weather, and 0.0% security.
When is the best time to fly through Great Falls, MT?
March is historically GTF's strongest month at 95.8% on-time, while February is the weakest at 93.2%, a 2.6-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