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FAA Ground Stop
- The FAA imposed a ground stop at Philadelphia International Airport because of a TRACON equipment outage.
- The stop lasted from 21/1523Z to 21/1645Z on September 21, 2026, with a medium-probability extension.
- Delays totaled 5,998 minutes, averaging 80 minutes with a maximum of 160 minutes.
- More than 20% of flights were delayed or cancelled.
- Airlines offered fee-free rebooking waivers through Wednesday for passengers from Philadelphia, Newark and other Northeast airports.
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