Route
PHL → ACK
Philadelphia International Airport Nantucket Memorial Airport
288 miles
Return route ACK → PHL →
How punctual is this route?
- On-time arrivals
- 80.8%
- Less than 15 minutes late
- Cancelled
- 2.6%
- Of scheduled flights
- Average delay when late
- 75 min
- Flights arriving 15+ minutes late
- Flights tracked
- 152
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 45%
- Air traffic control & airport 37%
- Extreme weather 14%
- Airline (crew, maintenance, cleaning) 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 100.0% | 2 |
| June 2026 | 80.8% | 26 |
| July 2026 | 81.4% | 62 |
| August 2026 | 79.7% | 62 |
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 |
|---|---|---|---|---|
| Republic Airways | 152 | 80.8% | 2.6% | 75 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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