Historical on-time performance
Chicago to Springfield
438 miData through Dec 2025Source: US DOT · BTS
Flights on ORD–SGF arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled1.4%of scheduled flights
based on 1,465 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Envoy AirOn-time73%Medianon timep9050 minCancel0.9%Flights874
- SkyWest AirlinesOn-time72%Medianon timep9070 minCancel2.0%Flights591
Why flights run late
Delay causes
- Airline28%
- Weather10%
- Air traffic (NAS)20%
- Late aircraft41%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ORD → SGF
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 81% on time.
- Mornings81% on time · p90 25 min · 1,119 flights
- Middays77% on time · p90 45 min · 1,226 flights
- Afternoons74% on time · p90 55 min · 656 flights
- Evenings69% on time · p90 65 min · 1,268 flights
- Overnights63% on time · p90 70 min · 489 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 78% on time.
- Saturdays78% on time · p90 35 min · 610 flights
- Tuesdays77% on time · p90 40 min · 649 flights
- Wednesdays76% on time · p90 45 min · 670 flights
- Mondays76% on time · p90 60 min · 717 flights
- Fridays73% on time · p90 55 min · 717 flights
- Thursdays72% on time · p90 45 min · 713 flights
- Sundays68% on time · p90 65 min · 682 flights
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