Historical on-time performance
Burlington to Chicago
763 miData through May 2026Source: US DOT · BTS
Flights on BTV–ORD arrive on time 63% of the time over the last 12 months.
On-time rate63%arrived within 15 min
p90 delay90 min1 in 10 flights is worse (tail risk)
Cancelled1.7%of scheduled flights
based on 1,148 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time67%Medianon timep9050 minCancel0.9%Flights683
- Envoy AirOn-time65%Medianon timep9055 minCancel0.0%Flights52
- SkyWest AirlinesOn-time56%Median5 minp90140 minCancel3.1%Flights413
Why flights run late
Delay causes
- Airline37%
- Weather15%
- Air traffic (NAS)32%
- Late aircraft15%
- Security1%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline11%
- Weather84%
- Air traffic (NAS)5%
- 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 BTV → 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 50% to 82% on time.
- Middays82% on time · p90 35 min · 272 flights
- Mornings82% on time · p90 30 min · 1,504 flights
- Afternoons68% on time · p90 60 min · 898 flights
- Evenings50% on time · p90 105 min · 494 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 79% on time.
- Tuesdays79% on time · p90 40 min · 430 flights
- Wednesdays75% on time · p90 50 min · 432 flights
- Mondays74% on time · p90 40 min · 458 flights
- Saturdays72% on time · p90 60 min · 457 flights
- Fridays72% on time · p90 50 min · 467 flights
- Thursdays71% on time · p90 50 min · 462 flights
- Sundays69% on time · p90 70 min · 462 flights
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