Historical on-time performance
Saginaw to Chicago
222 miData through May 2026Source: US DOT · BTS
Flights on MBS–ORD arrive on time 64% of the time over the last 12 months.
On-time rate64%arrived within 15 min
p90 delay115 min1 in 10 flights is worse (tail risk)
Cancelled2.9%of scheduled flights
based on 1,066 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesOn-time64%Medianon timep90115 minCancel2.9%Flights1,066
Why flights run late
Delay causes
- Airline39%
- Weather9%
- Air traffic (NAS)20%
- Late aircraft32%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline3%
- Weather87%
- Air traffic (NAS)10%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 31 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 MBS → ORD
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 52% to 79% on time.
- Middays79% on time · p90 50 min · 485 flights
- Mornings75% on time · p90 75 min · 1,072 flights
- Afternoons69% on time · p90 100 min · 1,303 flights
- Evenings52% on time · p90 100 min · 227 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 76% on time.
- Saturdays76% on time · p90 70 min · 425 flights
- Tuesdays76% on time · p90 70 min · 450 flights
- Wednesdays74% on time · p90 80 min · 450 flights
- Thursdays69% on time · p90 75 min · 450 flights
- Mondays68% on time · p90 100 min · 451 flights
- Fridays67% on time · p90 90 min · 455 flights
- Sundays67% on time · p90 105 min · 437 flights
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