Historical on-time performance
Chicago to Springfield
Flights on ORD–SPI arrive on time 73% of the time over the last 12 months.
based on 583 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Envoy AirOn-time75%Medianon timep9055 minCancel3.1%Flights553
- SkyWest AirlinesOn-time43%Median15 minp90235 minCancel6.7%Flights30
Why flights run late
Delay causes
- Airline21%
- Weather12%
- Air traffic (NAS)17%
- Late aircraft51%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather53%
- Air traffic (NAS)47%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 19 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 → SPI
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Middays are the most reliable time of day to fly this route — 88% on time.
- Middays88% on time · p90 15 min · 260 flights
- Overnights65% on time · p90 75 min · 225 flights
- Afternoons58% on time · p90 110 min · 188 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 80% on time.
- Wednesdays80% on time · p90 45 min · 109 flights · limited
- Tuesdays76% on time · p90 45 min · 107 flights · limited
- Fridays74% on time · p90 55 min · 121 flights · limited
- Sundays74% on time · p90 70 min · 121 flights · limited
- Mondays73% on time · p90 100 min · 120 flights · limited
- Thursdays68% on time · p90 80 min · 117 flights · limited
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