Route
BTV → ORD
Patrick Leahy Burlington International Airport Chicago O'Hare International Airport
How punctual is this route?
- On-time arrivals
- 68.3%
- Less than 15 minutes late
- Cancelled
- 2.0%
- Of scheduled flights
- Average delay when late
- 98 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,282
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 39%
- Air traffic control & airport 34%
- Late-arriving aircraft 18%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 75.4% | 122 |
| October 2025 | 68.7% | 163 |
| November 2025 | 55.0% | 61 |
| December 2025 | 56.6% | 76 |
| January 2026 | 71.9% | 67 |
| February 2026 | 74.6% | 59 |
| March 2026 | 52.5% | 62 |
| April 2026 | 70.1% | 136 |
| May 2026 | 76.1% | 144 |
| June 2026 | 67.9% | 119 |
| July 2026 | 68.6% | 124 |
| August 2026 | 66.4% | 149 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 684 | 70.5% | 0.7% | 88 min |
| SkyWest Airlines | 511 | 65.5% | 3.7% | 114 min |
| Envoy Air | 67 | 64.2% | 0.0% | 73 min |
| Republic Airways | 20 | 72.2% | 10.0% | 75 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
UA215
14% late · 294 flights
-
UA1001
41% late · 155 flights
-
UA329
46% late · 155 flights
-
OO6251
27% late · 76 flights
-
OO6218
39% late · 75 flights
-
OO6451
45% late · 44 flights
-
OO6193
21% late · 43 flights
-
OO6005
41% late · 37 flights
-
MQ3772
12% late · 32 flights
-
OO5615
29% late · 31 flights
-
MQ3348
60% late · 30 flights
-
OO4707
34% late · 29 flights
-
OO6331
15% late · 29 flights
-
OO4927
52% late · 27 flights
-
OO6225
26% late · 27 flights
-
OO6389
62% late · 26 flights
-
UA236
62% late · 24 flights
-
OO5290
30% late · 20 flights
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