Patrick Leahy Burlington International Airport (BTV) delays & on-time performance
Burlington, Vermont · 12 nonstop destinations · 8 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BTV right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
74%
arrived < 15 min late
Cancelled
2.9%
176 flights
Avg arrival delay
26 min
98 min when late
Departed on time
79%
avg taxi-out 22 min
Figures cover 6,084 departures from BTV; on-time is measured at arrival. Arrivals into BTV were on time 74% of the time.
Key facts
- Flights departing Patrick Leahy Burlington International Airport (BTV) arrived on time 74% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2.9% were cancelled, and 10% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (85% on time); SkyWest Airlines was the least (66%).
- Departures scheduled around 10am did best (88% on time); around 4pm did worst (60%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (39%).
Most delayed routes from BTV
Lowest on-time arrival rates among regularly flown routes.
- DCA · Washington66%1,143 flts
- ORD · Chicago68%1,248 flts
- PHL · Philadelphia77%1,117 flts
- CLT · Charlotte80%644 flts
- EWR · Newark82%592 flts
- ATL · Atlanta85%391 flts
Most reliable routes from BTV
Highest on-time arrival rates among regularly flown routes.
- ATL · Atlanta85%391 flts
- EWR · Newark82%592 flts
- CLT · Charlotte80%644 flts
- PHL · Philadelphia77%1,117 flts
- ORD · Chicago68%1,248 flts
- DCA · Washington66%1,143 flts
Best airline at BTV
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Frontier Airlines | 92% | 0.0% | 7 min | 1 | 13 |
| Delta Air Lines | 85% | 2.3% | 13 min | 3 | 397 |
| Republic Airways | 84% | 2.7% | 15 min | 6 | 1,095 |
| PSA Airlines | 73% | 4.2% | 30 min | 3 | 2,249 |
| United Airlines | 71% | 1.0% | 26 min | 4 | 1,005 |
| American Airlines | 69% | 1.6% | 25 min | 3 | 440 |
| SkyWest Airlines | 66% | 2.9% | 38 min | 2 | 819 |
| Envoy Air | 65% | 1.5% | 24 min | 2 | 66 |
Best time to fly out of BTV
On-time arrival rate by scheduled departure hour (local time).
- 5am82%792 flts
- 6am83%1,181 flts
- 7am82%322 flts
- 10am88%374 flts
- 11am83%324 flts
- 12pm68%659 flts
- 2pm71%280 flts
- 3pm69%329 flts
- 4pm60%679 flts
- 5pm61%566 flts
- 6pm64%251 flts
- 7pm68%212 flts
Monthly trend
Why departures were late
- Airline (crew, maintenance, cleaning, fueling)39%
- Late-arriving aircraft30%
- Air traffic control & airport congestion21%
- Extreme weather9%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.