According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), St. George, UT (SGU) ranks #165 of 382 tracked US airports by total flights (most flights = #1). St. George, UT posts top-10% on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport.
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SGU 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: 216,221.
Late Aircraft21.5% (46,453 min)
Carrier58.2% (125,851 min)
NAS (National Aviation System)9.5% (20,553 min)
Weather10.7% (23,080 min)
Security0.1% (284 min)
SGU - seasonal on-time pattern
Best: September (95.8%) · worst: July (92.2%)
SGU - on-time rate by year
2020–2025, year-over-year trend.
SGU - taxi-out and taxi-in (monthly)
Average taxi-out 18.8 min · taxi-in 3.7 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).
SGU's average taxi-out (18.8 min) sits near the recent U.S. airport mean (~16.4 min). Month-to-month, it swings from 16.5 min (March 2024) to 21.5 min (February 2024).
Two PlainFlights-derived comparison paths for St. George, UT, both outside Utah 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 St. George, UT is the delay mix: Carrier owns 58.2% of 216,221 delay minutes across 39,026 BTS flights. The on-time headline is 88% (9 pts above the 79% national average), with 4,697 delayed and 117 cancelled (0.30%).
Delay minutes concentrate in Carrier (21.5% late-aircraft, 58.2% carrier, 9.5% NAS, 10.7% weather, 0.1% security). Mid-volume books still show a clear delay fingerprint rather than a weather-only story.
On the multi-year calendar, SGU is strongest in September (95.8% on-time) and weakest in July (92.2%), a 3.6-point swing. Volume peaks in October (~662 flights/month). The busiest connecting route is to SLC (Salt Lake City) at 92.6% on-time. Field definitions: on-time performance explained.
St. George, UT vs. the national on-time distribution
On-time rate among all 382 tracked U.S. airports
88%Top 10%higher than 90% of 382 airports
St. George, UT
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.
SGU'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 SGU before you book a connection. See top routes →
Travel in September rather than July if your dates are flexible. Seasonal patterns →
Gate-to-wheels taxi-out averages 18.8 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 St. George, UT's on-time rate?
St. George, UT (SGU) has a 88% on-time rate across 39,026 BTS-tracked flights (2020-2025), 9 pts above the 79% national flight-weighted average; that places it in roughly the top-10% on-time performance.
How does SGU rank among U.S. airports by traffic volume?
St. George, UT ranks #165 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 St. George, UT?
Carrier is the leading delay cause at SGU, accounting for 58.2% of delay minutes. The full breakdown: 21.5% late-aircraft, 58.2% carrier, 9.5% NAS/air-traffic-control, 10.7% weather, and 0.1% security.
When is the best time to fly through St. George, UT?
September is historically SGU's strongest month at 95.8% on-time, while July is the weakest at 92.2%, a 3.6-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