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Airport · SUX · Sioux City, Iowa

Sioux City, IA

According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Sioux City, IA (SUX) ranks #263 of 382 tracked US airports by total flights (most flights = #1). Sioux City, IA posts below-median on-time performance among the 382 tracked U.S. airports, as a smaller regional airport.

Data updated 2026-06-13

81.8%
On-time
Top 69%
on-time, US airports
101 min
Delay when late
1.38%
Cancelled
#263 of 382
Corpus placement
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SUX on-time rate vs. the national average

Ahead of the U.S. average across all 382 tracked airports.

0%100%U.S. average79%81.8%

Delay Cause Breakdown

Top delay cause: Carrier. Total delay minutes: 84,617.

Late Aircraft 24.2% (20,494 min)
Carrier 49.8% (42,158 min)
NAS (National Aviation System) 14.2% (12,009 min)
Weather 11.7% (9,915 min)
Security 0.0% (41 min)

SUX - seasonal on-time pattern

Best: November (95.2%) · worst: June (86.9%)

86%88%90%92%94%96% JanFebMarAprMayJunJulAugSepOctNovDec 91.2%

SUX - on-time rate by year

2020–2025, year-over-year trend.

85%90%95%100% 202020212022202320242025 94.6% 87% ▼ -8.0%

SUX - taxi-out and taxi-in (monthly)

Average taxi-out 19 min · taxi-in 5.1 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).

10 min15 min20 min25 min30 min35 min Jan 24Dec 25 23.6 min 28.9 min ▲ +22.5%

SUX's average taxi-out (19 min) runs longer than the recent U.S. airport mean (~16.4 min). The heaviest month in this window is December 2025 at 28.9 min; the lightest is April 2024 at 12.6 min.

Cancellation & Diversion Analysis

Flight disruption statistics for Sioux City, IA.

Cancellation Rate

1.38%

125 of 9,052 flights

Diversion Rate

0.21%

19 of 9,052 flights

Delay Rate

18.2%

1,644 of 9,052 flights

Top Routes from SUX

Busiest routes to and from Sioux City, IA.

Filter routes

Route Flights On-Time Distance
ORD (Chicago) → SUX (Sioux City) 2,124 78.6% 436 mi
SUX (Sioux City) → ORD (Chicago) 2,092 80.5% 436 mi
SUX (Sioux City) → DEN (Denver) 1,350 78.7% 466 mi
DEN (Denver) → SUX (Sioux City) 1,349 81.8% 466 mi

Nationwide peers by on-time rate & flight volume

Two PlainFlights-derived comparison paths for Sioux City, IA, both outside Iowa so the neighborhoods are not same-state geography. Axes stay disjoint: volume peers exclude the on-time peer set. Same-state compare stays below.

Similar on-time rate

Nearest out-of-state BTS on-time rate (this airport: 81.8%).

Salina, KS

Salina, KS

81.8% on-time 9,128 flights

Phoenix, AZ

Phoenix, AZ

81.7% on-time 2,030,209 flights

Oakland, CA

Oakland, CA

81.7% on-time 472,036 flights

San Antonio, TX

San Antonio, TX

81.7% on-time 419,736 flights

Similar flight volume

Nearest out-of-state total flights (this airport: 9,052).

Prescott, AZ

Prescott, AZ

9,056 flights 82.5% on-time

Decatur, IL

Decatur, IL

9,084 flights 84.5% on-time

Longview, TX

Longview, TX

9,129 flights 86% on-time

State College, PA

State College, PA

9,139 flights 83.8% on-time

Other Airports in Iowa

Compare performance with other Iowa airports.

DSM 82.6%

Des Moines, IA

Des Moines · 169,476 flights
CID 82.2%

Cedar Rapids/Iowa City, IA

Cedar Rapids/Iowa City · 91,140 flights
MCW 83.4%

Mason City, IA

Mason City · 5,851 flights
FOD 83.4%

Fort Dodge, IA

Fort Dodge · 5,848 flights
ALO 87.7%

Waterloo, IA

Waterloo · 4,350 flights
DBQ 89.5%

Dubuque, IA

Dubuque · 3,012 flights

SUX delay-share reading

The standout signal at Sioux City, IA is the delay mix: Carrier owns 49.8% of 84,617 delay minutes across 9,052 BTS flights. The on-time headline is 81.8% (2.8 pts above the 79% national average), with 1,644 delayed and 125 cancelled (1.38%).

Delay minutes concentrate in Carrier (24.2% late-aircraft, 49.8% carrier, 14.2% NAS, 11.7% weather, 0.0% security). As a quieter airport, a single late inbound can swing the month more than at a mega-hub.

On the multi-year calendar, SUX is strongest in November (95.2% on-time) and weakest in June (86.9%), a 8.3-point swing. Volume peaks in July (~140 flights/month). The busiest connecting route is to ORD (Chicago) at 78.6% on-time. Field definitions: on-time performance explained.

Statewide aggregates for Iowa: Iowa flight data.

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.

Read our methodology - how this data is sourced, computed, and verified.

Using SUX's data

SUX's on-time book sits in the slower half of the BTS set; check the delay mix and the worst month before treating the headline as typical.

  • Check the busiest route from SUX before you book a connection. See top routes
  • Travel in November rather than June if your dates are flexible. Seasonal patterns
  • Build extra connection buffer when taxi-out spikes. December 2025 averaged 28.9 min. Taxi times

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

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

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.