Best Time to Fly PHL to BTV: On-Time Stats by Hour & Airline
Philadelphia International → Patrick Leahy Burlington International
Data through July 2026 · Last updated October 18, 2026
1,116 flights were scheduled from Philadelphia (PHL) to Burlington (BTV) in the last 12 months, and 76.0% of those that flew arrived on time, 1.6 points below the US average of 77.6%.
Among 3 airlines, Republic Airways led with 88.2% on time and PSA Airlines was last with 74.3%.
Over 24 months, Tuesday was the most reliable day (81% on time) and July the worst month (59%).
The cancellation rate was 3.8% (US average 1.8%).
PHL to BTV on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airways | 88.2% | 73 min | 0.8% | 131 |
| American Airlines | 74.4% | 86 min | 1.4% | 215 |
| PSA Airlines | 74.3% | 91 min | 4.9% | 770 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PHL to BTV
On-time arrival % by scheduled departure hour (local time), 2,202 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 86.7% | 4.6% | 65 |
| 9am–10am | 86.1% | 0.0% | 117 |
| 10am–11am | 84.2% | 1.1% | 359 |
| 11am–12pm | 87.7% | 2.4% | 168 |
| 12pm–1pm | 88.9% | 0.0% | 36 |
| 1pm–2pm | 75.2% | 0.7% | 155 |
| 2pm–3pm | 70.4% | 1.6% | 375 |
| 3pm–4pm | 80.6% | 2.7% | 112 |
| 4pm–5pm | 61.4% | 5.4% | 74 |
| 5pm–6pm | Limited data | 3 | |
| 6pm–7pm | Limited data | 6 | |
| 7pm–8pm | 74.0% | 1.4% | 74 |
| 8pm–9pm | Limited data | 25 | |
| 9pm–10pm | 73.9% | 7.4% | 584 |
| 10pm–11pm | 75.0% | 11.1% | 36 |
| 11pm–12am | Limited data | 13 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PHL to BTV
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 80.6% | +1.2 pts | 0.0% | 38 |
| Christmas & New Year (Dec 20 - Jan 3) | 76.9% | -2.4 pts | 2.5% | 80 |
| Summer peak (Jun 15 - Aug 15) | 66.6% | -12.8 pts | 7.4% | 417 |
| All other days | 79.3% | — | 2.6% | 1,667 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).