Historical on-time performance
San Antonio to Chicago
Flights on SAT–ORD arrive on time 75% of the time over the last 12 months.
based on 1,686 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.
- United AirlinesOn-time79%Medianon timep9030 minCancel1.1%Flights811
- Envoy AirOn-time75%Medianon timep9045 minCancel2.5%Flights322
- American AirlinesOn-time70%Medianon timep9060 minCancel2.4%Flights553
Why flights run late
Delay causes
- Airline24%
- Weather4%
- Air traffic (NAS)30%
- Late aircraft42%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline13%
- Weather73%
- Air traffic (NAS)13%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 30 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 SAT → 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 — 87% on time.
- Mornings87% on time · p90 15 min · 2,171 flights
- Afternoons83% on time · p90 30 min · 1,138 flights
- Middays78% on time · p90 50 min · 916 flights
- Evenings63% on time · p90 75 min · 678 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 83% on time.
- Mondays83% on time · p90 35 min · 746 flights
- Tuesdays82% on time · p90 35 min · 650 flights
- Saturdays82% on time · p90 30 min · 605 flights
- Wednesdays82% on time · p90 25 min · 665 flights
- Thursdays81% on time · p90 25 min · 743 flights
- Sundays80% on time · p90 40 min · 748 flights
- Fridays78% on time · p90 40 min · 750 flights
Keep exploring