Chicago (ORD) to Burlington (BTV): On-Time Performance
Data through July 2026
When you fly ORD to BTV matters as much as anything else about the booking: the route swung from 90% on-time in October 2024 to just 52% in July 2025. Across the full period the route averages 72% on-time against a national 78%. Morning departures also hold up better than evening ones (83% vs 65%), which matters most in the rough months.
- On-time
- 72%
- arrived <15 min late
- Avg delay
- 23 min
- completed flights
- Cancelled
- 1.4%
- Flights/day
- 3.4
- last 12 months
- Duration
- 2h 17m
- scheduled
- Distance
- 763 mi
Best airline from ORD to BTV
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 90% | 9 min | 0.5% | 202 |
| Envoy Air | 74% | 14 min | 1.3% | 233 |
| United Airlines | 74% | 19 min | 0.6% | 1,420 |
| SkyWest Airlines | 59% | 44 min | 3.8% | 598 |
Monthly on-time trend
Best time to fly from ORD to BTV
Aim for departures around 7 a.m. (92% on-time); avoid 7 p.m. departures (52%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 22 min |
| Tuesdaybest | 76% | 20 min |
| Wednesday | 75% | 24 min |
| Thursday | 68% | 21 min |
| Friday | 69% | 30 min |
| Saturday | 71% | 22 min |
| Sunday | 69% | 26 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft34%
- Airline operations37%
- National airspace system17%
- Weather12%
Frequently asked questions
- How often are flights from ORD to BTV delayed?
- 29% of ORD–BTV flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 23 minutes.
- Which airline is most reliable from ORD to BTV?
- Republic Airways has the best on-time record on this route at 90%, based on 202 flights. 4 airlines flew ORD–BTV frequently enough to compare in this period.
- What is the best time of day to fly from ORD to BTV?
- Departures around 7 a.m. have the best record (92% on-time), while departures around 7 p.m. have the worst (52%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to BTV?
- The scheduled ORD–BTV flight time averages 2h 17m over 763 miles. Actual arrival times vary — flights on this route land 15+ minutes late 29% of the time.
- How often are ORD to BTV flights cancelled?
- 1.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from ORD to BTV?
- July 2025 was the roughest month in this dataset, with only 52% of arrivals on time. The best was October 2024 at 90%. If your dates are flexible, that 38-point gap is worth planning around.
Explore related pages
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Based on 2,453 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.