Historical on-time performance
Chicago to Burlington
763 miData through May 2026Source: US DOT · BTS
Flights on ORD–BTV arrive on time 67% of the time over the last 12 months.
On-time rate67%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled1.5%of scheduled flights
based on 1,152 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirOn-time83%Medianon timep9025 minCancel0.0%Flights53
- United AirlinesbestOn-time72%Medianon timep9055 minCancel0.9%Flights683
- SkyWest AirlinesOn-time57%Median5 minp90115 minCancel2.6%Flights416
Why flights run late
Delay causes
- Airline46%
- Weather15%
- Air traffic (NAS)10%
- Late aircraft28%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline6%
- Weather88%
- Air traffic (NAS)6%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 17 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 → BTV
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 62% to 85% on time.
- Mornings85% on time · p90 25 min · 237 flights
- Middays81% on time · p90 40 min · 1,226 flights
- Evenings67% on time · p90 65 min · 1,408 flights
- Afternoons66% on time · p90 60 min · 192 flights · limited
- Overnights62% on time · p90 45 min · 106 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 77% on time.
- Wednesdays77% on time · p90 50 min · 437 flights
- Tuesdays76% on time · p90 55 min · 430 flights
- Mondays74% on time · p90 65 min · 454 flights
- Saturdays74% on time · p90 50 min · 456 flights
- Sundays72% on time · p90 55 min · 462 flights
- Fridays72% on time · p90 55 min · 467 flights
- Thursdays71% on time · p90 45 min · 463 flights
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