Historical on-time performance
Chicago to Sioux Falls
462 miData through May 2026Source: US DOT · BTS
Flights on ORD–FSD arrive on time 59% of the time over the last 12 months.
On-time rate59%arrived within 15 min
p90 delay95 min1 in 10 flights is worse (tail risk)
Cancelled3.6%of scheduled flights
based on 1,602 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirbestOn-time70%Medianon timep9050 minCancel3.9%Flights361
- SkyWest AirlinesOn-time58%Medianon timep90105 minCancel3.5%Flights959
- Republic AirwaysOn-time54%Median5 minp9070 minCancel5.1%Flights39
- United AirlinesOn-time49%Median10 minp90100 minCancel3.3%Flights243
Why flights run late
Delay causes
- Airline45%
- Weather20%
- Air traffic (NAS)12%
- Late aircraft24%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline3%
- Weather76%
- Air traffic (NAS)21%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 58 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ORD → FSD
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 62% to 77% on time.
- Mornings77% on time · p90 45 min · 980 flights
- Middays75% on time · p90 50 min · 768 flights
- Afternoons68% on time · p90 70 min · 680 flights
- Evenings65% on time · p90 80 min · 337 flights
- Overnights62% on time · p90 85 min · 1,571 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 65% to 73% on time.
- Saturdays73% on time · p90 45 min · 559 flights
- Wednesdays72% on time · p90 50 min · 598 flights
- Tuesdays71% on time · p90 75 min · 610 flights
- Thursdays68% on time · p90 65 min · 641 flights
- Mondays67% on time · p90 80 min · 647 flights
- Fridays66% on time · p90 75 min · 639 flights
- Sundays65% on time · p90 95 min · 642 flights
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