Historical on-time performance
Chicago to Kalispell
Flights on ORD–FCA arrive on time 71% of the time over the last 12 months.
based on 392 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.
- United AirlinesOn-time89%Medianon timep9015 minCancel0.0%Flights122
- American AirlinesOn-time64%Medianon timep9065 minCancel1.0%Flights208
- SkyWest AirlinesOn-time60%Medianon timep90120 minCancel6.5%Flights62
Why flights run late
Delay causes
- Airline54%
- Weather2%
- Air traffic (NAS)14%
- Late aircraft29%
- Security1%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline17%
- Weather83%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 6 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 → FCA
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 — 79% on time.
- Mornings79% on time · p90 35 min · 896 flights
- Middays64% on time · p90 65 min · 208 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 83% on time.
- Tuesdays83% on time · p90 25 min · 145 flights · limited
- Thursdays79% on time · p90 40 min · 170 flights · limited
- Saturdays75% on time · p90 45 min · 217 flights
- Mondays73% on time · p90 45 min · 163 flights · limited
- Wednesdays72% on time · p90 70 min · 145 flights · limited
- Fridays72% on time · p90 45 min · 165 flights · limited
- Sundays71% on time · p90 60 min · 190 flights · limited
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