Historical on-time performance
Sioux Falls to Chicago
462 miData through May 2026Source: US DOT · BTS
Flights on FSD–ORD arrive on time 64% of the time over the last 12 months.
On-time rate64%arrived within 15 min
p90 delay95 min1 in 10 flights is worse (tail risk)
Cancelled3.6%of scheduled flights
based on 1,630 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time83%Medianon timep9020 minCancel3.3%Flights243
- Envoy AirOn-time75%Medianon timep9050 minCancel3.9%Flights363
- SkyWest AirlinesOn-time56%Median5 minp90115 minCancel3.4%Flights986
- Republic AirwaysOn-time55%Medianon timep9080 minCancel5.3%Flights38
Why flights run late
Delay causes
- Airline42%
- Weather15%
- Air traffic (NAS)17%
- Late aircraft25%
- Security1%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline5%
- Weather76%
- Air traffic (NAS)19%
- 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 FSD → ORD
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 84% on time.
- Mornings84% on time · p90 25 min · 1,932 flights
- Afternoons72% on time · p90 55 min · 500 flights
- Middays72% on time · p90 75 min · 1,291 flights
- Evenings53% on time · p90 95 min · 615 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 80% on time.
- Wednesdays80% on time · p90 35 min · 599 flights
- Saturdays77% on time · p90 50 min · 557 flights
- Thursdays76% on time · p90 50 min · 641 flights
- Tuesdays74% on time · p90 65 min · 611 flights
- Fridays72% on time · p90 65 min · 642 flights
- Mondays72% on time · p90 75 min · 648 flights
- Sundays71% on time · p90 80 min · 640 flights
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