ORD to BTV flight delays & on-time performance
Nonstop flights from Chicago O'Hare International Airport to Patrick Leahy Burlington International Airport · 763 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ORD or BTV right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Chicago (ORD) to Burlington (BTV) arrived on time 70% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2% were cancelled, and 11% arrived an hour or more late.
- Envoy Air was the most punctual airline here (83% on time); SkyWest Airlines was the least (64%).
- Departures scheduled around 7am did best (89% on time); around 3pm did worst (57%).
- Tuesday was the most reliable day to fly (74% on time) and Thursday the least (66%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (37%).
Which airline is most on time from ORD to BTV?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 83% | 0.0% | 8 min | 3.2% | 63 |
| United Airlines | 72% | 0.7% | 19 min | 9.5% | 684 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 71% | 5.6% | 16 min | 5.9% | 18 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 64% | 3.9% | 32 min | 15.6% | 483 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am89%39 flights
- 8am78%32 flights
- 9am71%14 flights
- 10am84%37 flights
- 11am81%306 flights
- 12pm70%23 flights
- 1pm67%39 flights
- 2pm70%121 flights
- 3pm57%67 flights
- 4pm60%15 flights
- 5pm35%17 flights
- 6pm64%403 flights
- 7pm44%21 flights
- 8pm65%113 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday71%3.3% cancelled
- Tuesday74%0.6% cancelled
- Wednesday74%2.9% cancelled
- Thursday66%1.7% cancelled
- Friday69%1.1% cancelled
- Saturday67%2.2% cancelled
- Sunday68%2.2% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)37%
- Late-arriving aircraft35%
- Air traffic control & airport congestion22%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather88%
- Air traffic control & airport congestion8%
- Airline (crew, maintenance, cleaning, fueling)4%
- Security0%
ORD to BTV: common questions
- How often are ORD to BTV flights on time?
- 70% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Chicago to Burlington cancelled?
- 2.0% of scheduled flights were cancelled (25 of 1,248).
- How long are typical delays?
- Across all flights the average arrival delay was 24 min (early arrivals count as zero). Flights that were late arrived 73 min behind schedule on average, and 11.4% of flights were an hour or more late.
- How long is taxi time at ORD?
- Flights on this route spent 32 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BTV to ORD — 68% on time
More flights from Chicago
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ORD → BTV, nonstop flights by US airlines that report to the DOT. How we calculate this.