BTV to ORD flight delays & on-time performance
Nonstop flights from Patrick Leahy Burlington International Airport to Chicago O'Hare International Airport · 763 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BTV or ORD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Burlington (BTV) to Chicago (ORD) arrived on time 68% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.9% were cancelled, and 12% arrived an hour or more late.
- United Airlines was the most punctual airline here (71% on time); SkyWest Airlines was the least (64%).
- Departures scheduled around 6am did best (79% on time); around 5pm did worst (54%).
- Tuesday was the most reliable day to fly (72% on time) and Saturday the least (61%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (41%).
Which airline is most on time from BTV to ORD?
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 |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 75% | 11.1% | 16 min | 6.3% | 18 |
| United Airlines | 71% | 0.9% | 28 min | 9.0% | 684 |
| Envoy AirRegional airline operating American Eagle flights. | 65% | 0.0% | 23 min | 7.9% | 63 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 64% | 3.3% | 41 min | 16.7% | 483 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am79%453 flights
- 7am76%74 flights
- 10am91%22 flights
- 11am68%19 flights
- 12pm69%78 flights
- 4pm57%332 flights
- 5pm54%74 flights
- 6pm55%112 flights
- 7pm63%71 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday70%4.4% cancelled
- Tuesday72%1.2% cancelled
- Wednesday70%1.7% cancelled
- Thursday68%1.1% cancelled
- Friday72%1.6% cancelled
- Saturday61%1.7% cancelled
- Sunday64%1.7% 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)41%
- Air traffic control & airport congestion30%
- Late-arriving aircraft17%
- Extreme weather12%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather83%
- Air traffic control & airport congestion13%
- Airline (crew, maintenance, cleaning, fueling)4%
- Security0%
BTV to ORD: common questions
- How often are BTV to ORD flights on time?
- 68% 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 Burlington to Chicago cancelled?
- 1.9% of scheduled flights were cancelled (24 of 1,248).
- How long are typical delays?
- Across all flights the average arrival delay was 32 min (early arrivals count as zero). Flights that were late arrived 97 min behind schedule on average, and 11.8% of flights were an hour or more late.
- How long is taxi time at BTV?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ORD to BTV — 70% on time
More flights from Burlington
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BTV → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.