Best Time to Fly BTV to PHL: On-Time Stats by Hour & Airline
Patrick Leahy Burlington International → Philadelphia International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 76.6% of Burlington (BTV) to Philadelphia (PHL) flights arrived on time (1,117 scheduled flights). That is 1.0 points below the national average of 77.6%.
Among 3 airlines, Republic Airways led with 89.9% on time and American Airlines was last with 68.5%.
Over 24 months, Tuesday was the most reliable day (80% on time) and July the worst month (62%).
The cancellation rate was 4.1% (US average 1.8%).
BTV to PHL 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 | 89.9% | 111 min | 1.5% | 131 |
| PSA Airlines | 76.7% | 101 min | 5.3% | 770 |
| American Airlines | 68.5% | 74 min | 1.4% | 216 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BTV to PHL
On-time arrival % by scheduled departure hour (local time), 2,204 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 80.9% | 6.6% | 241 |
| 6am–7am | 86.8% | 5.2% | 447 |
| 7am–8am | 86.5% | 5.5% | 55 |
| 8am–9am | Limited data | 24 | |
| 9am–10am | Limited data | 2 | |
| 10am–11am | 89.6% | 2.0% | 50 |
| 11am–12pm | 84.6% | 1.4% | 146 |
| 12pm–1pm | 77.8% | 1.2% | 324 |
| 1pm–2pm | 79.3% | 2.1% | 192 |
| 2pm–3pm | 71.7% | 0.0% | 46 |
| 3pm–4pm | 61.4% | 2.6% | 117 |
| 4pm–5pm | 51.8% | 6.0% | 351 |
| 5pm–6pm | 78.2% | 4.3% | 115 |
| 6pm–7pm | 65.9% | 9.6% | 94 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BTV to PHL
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) | 79.0% | +0.8 pts | 0.0% | 38 |
| Christmas & New Year (Dec 20 - Jan 3) | 62.3% | -15.8 pts | 3.8% | 80 |
| Summer peak (Jun 15 - Aug 15) | 66.8% | -11.3 pts | 9.1% | 416 |
| All other days | 78.1% | — | 3.0% | 1,670 |
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).