Burlington (BTV) to Chicago (ORD): On-Time Performance
Data through July 2026
The calendar drives reliability on BTV–ORD. April 2025 flights landed on schedule 91% of the time, but June 2025 dropped to 46% — a gap of 45 points. Across the full period the route averages 70% on-time against a national 78%. Morning departures also hold up better than evening ones (82% vs 45%), which matters most in the rough months.
- On-time
- 70%
- arrived <15 min late
- Avg delay
- 28 min
- completed flights
- Cancelled
- 1.5%
- Flights/day
- 3.4
- last 12 months
- Duration
- 2h 42m
- scheduled
- Distance
- 763 mi
Best airline from BTV to ORD
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 93% | 5 min | 1.0% | 202 |
| United Airlines | 71% | 25 min | 0.8% | 1,420 |
| Envoy Air | 65% | 20 min | 1.3% | 234 |
| SkyWest Airlines | 60% | 48 min | 3.7% | 597 |
Monthly on-time trend
Best time to fly from BTV to ORD
Aim for departures around 10 a.m. (94% on-time); avoid 5 p.m. departures (35%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 71% | 28 min |
| Tuesdaybest | 73% | 22 min |
| Wednesday | 70% | 31 min |
| Thursday | 69% | 25 min |
| Friday | 70% | 25 min |
| Saturday | 67% | 34 min |
| Sunday | 65% | 33 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft18%
- Airline operations36%
- National airspace system32%
- Weather13%
- Security1%
Frequently asked questions
- How often are flights from BTV to ORD delayed?
- 31% of BTV–ORD 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 28 minutes.
- Which airline is most reliable from BTV to ORD?
- Republic Airways has the best on-time record on this route at 93%, based on 202 flights. 4 airlines flew BTV–ORD frequently enough to compare in this period.
- What is the best time of day to fly from BTV to ORD?
- Departures around 10 a.m. have the best record (94% on-time), while departures around 5 p.m. have the worst (35%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BTV to ORD?
- The scheduled BTV–ORD flight time averages 2h 42m over 763 miles. Actual arrival times vary — flights on this route land 15+ minutes late 31% of the time.
- How often are BTV to ORD flights cancelled?
- 1.5% 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 BTV to ORD?
- June 2025 was the roughest month in this dataset, with only 46% of arrivals on time. The best was April 2025 at 91%. If your dates are flexible, that 45-point gap is worth planning around.
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Based on 2,453 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.