OnTimeRoutes
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Sioux Gateway Airport / Brigadier General Bud Day Field (SUX) delays & on-time performance

Sioux City, Iowa · 2 nonstop destinations · 1 airlines · Aug 2025 – Jul 2026

Live status todayFAA update Oct 11, 4:56 AM EDTAll US airport delays now →

No FAA-reported ground stops or delays at SUX right now. Individual flights can still be delayed by the airline; check with your airline for your flight.

On-time arrivals
73%
arrived < 15 min late
Cancelled
2.2%
19 flights
Avg arrival delay
27 min
97 min when late
Departed on time
78%
avg taxi-out 20 min

Figures cover 883 departures from SUX; on-time is measured at arrival. Arrivals into SUX were on time 75% of the time.

Key facts

  • Flights departing Sioux Gateway Airport / Brigadier General Bud Day Field (SUX) arrived on time 73% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
  • 2.2% were cancelled, and 12% arrived an hour or more late.
  • Departures scheduled around 11am did best (89% on time); around 6pm did worst (63%).
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (41%).

Most delayed routes from SUX

Lowest on-time arrival rates among regularly flown routes.

Most reliable routes from SUX

Highest on-time arrival rates among regularly flown routes.

Best airline at SUX

Departures from this airport, ranked by on-time arrival.

AirlineOn timeCancelledAvg delayRoutesFlights
SkyWest Airlines73%2.2%27 min2883

Best time to fly out of SUX

On-time arrival rate by scheduled departure hour (local time).

  • 6am74%134 flts
  • 7am76%151 flts
  • 8am88%61 flts
  • 11am89%73 flts
  • 12pm78%114 flts
  • 6pm63%311 flts

Monthly trend

30%65%100%July 2025: 56.9% on time, 4.8% cancelledJul ’25August 2025: 53.3% on time, 3.2% cancelledAug ’25September 2025: 80.0% on time, 0.0% cancelledSep ’25October 2025: 80.6% on time, 0.0% cancelledOct ’25November 2025: 79.3% on time, 1.7% cancelledNov ’25December 2025: 49.2% on time, 4.8% cancelledDec ’25January 2026: 77.6% on time, 2.3% cancelledJan ’26February 2026: 83.1% on time, 0.0% cancelledFeb ’26March 2026: 77.3% on time, 5.4% cancelledMar ’26April 2026: 58.7% on time, 2.6% cancelledApr ’26May 2026: 73.1% on time, 2.5% cancelledMay ’26June 2026: 81.8% on time, 0.0% cancelledJun ’26July 2026: 79.2% on time, 2.5% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why departures were late

  • Airline (crew, maintenance, cleaning, fueling)41%
  • Late-arriving aircraft29%
  • Air traffic control & airport congestion21%
  • Extreme weather8%
  • Security0%

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.