Flights Cancelled Swept US as New York, Boston, and Others Cancel 112 and Delay 2,685
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Travel, Weather
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4 mins
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Travel and Tour World
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Ryan Rashid
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Flight cancellations see a sudden spike across US today as nearly 2,700 cancellations and delays hit New York, Boston, Denver, Las Vegas, and others.
Flight cancellations spiked across the US today, November 12, with 2,685 delays and 112 cancellations recorded. Southwest Airlines recorded the highest number of delays, while Republic Airways led cancellations. LaGuardia Airport in New York, Boston Logan Airport, and John F. Kennedy International Airport saw heavy disruptions.
Key Insights From Today’s Data
- Airport recording the most delays: LaGuardia Airport, New York City, with 260 delays.
- Airport facing the most cancellations: LaGuardia Airport, New York City, with 29 cancellations.
- Airline reporting the most delays: Southwest Airlines, with 491 delays.
- Airline reporting the most cancellations: Republic Airways, with 22 cancellations.
- Weather alerts affected parts of the Northeast and Mid-Atlantic, with Tornado Watches, Gale Warnings, Flash Flood Warnings, Severe Thunderstorm Warnings, Special Marine Warnings and a Winter Weather Advisory reported across the region.
FAA Advisories Highlight Operating Constraints
| Airport | Advisory | Average delay | Reported reason or status |
|---|---|---|---|
| San Diego International Airport (SAN) | Ground Delay | 33 minutes | Airport volume |
| Teterboro Airport (TEB) | Departure Delay | 75 minutes | Increasing; traffic management initiatives and weather |
| Philadelphia International Airport (PHL) | Departure Delay | 60 minutes | Increasing; traffic management initiatives and weather |
| LaGuardia Airport (LGA) | Departure Delay | 90 minutes | Decreasing; traffic management initiatives and weather |
| John F. Kennedy International Airport (JFK) | Departure Delay | 15 minutes | Increasing; traffic management initiatives and weather |
| Newark Liberty International Airport (EWR) | Departure Delay | 15 minutes | Increasing; thunderstorms |
| Boston Logan International Airport (BOS) | Ground Delay | 80 minutes | Low ceilings |
| Morristown Municipal Airport (MMU) | Ground Stop | — | Thunderstorms |
| Fort Lauderdale-Hollywood International Airport (FLL) | Departure Delay | 45 minutes | Decreasing; traffic management initiatives and weather |
| George Bush Intercontinental Airport (IAH) | Departure Delay | 15 minutes | Increasing; wind |
| President Donald J. Trump International Airport (DJT) | Departure Delay | 15 minutes | Increasing; airport volume |
Most Affected US Airports Today
| Airport | Cancellations | Delays |
|---|---|---|
| LaGuardia Airport (LGA), New York City | 29 | 260 |
| John F. Kennedy International Airport (JFK), New York City | 10 | 176 |
| Denver International Airport (DEN), Denver | 8 | 121 |
| Boston Logan International Airport (BOS), Boston | 8 | 241 |
| John Glenn Columbus International Airport (CMH), Columbus | 6 | 28 |
| Nashville International Airport (BNA), Nashville | 6 | 70 |
| Ronald Reagan Washington National Airport (DCA), Washington | 6 | 91 |
| Tampa International Airport (TPA), Tampa | 5 | 50 |
| Harry Reid International Airport (LAS), Las Vegas | 4 | 106 |
| Charlotte Douglas International Airport (CLT), Charlotte | 4 | 102 |
Airline Performance Reflects Varying Levels Of Disruption
| Airline | Cancellations | Delays |
|---|---|---|
| Southwest Airlines | 18 | 491 |
| United Airlines | 15 | 202 |
| Tradewind | 18 | 6 |
| Alaska Airlines | 10 | 78 |
| Republic Airways | 22 | 140 |
| Frontier Airlines | 8 | 30 |
| JetBlue | 5 | 201 |
| SkyWest Airlines | 4 | 144 |
| Endeavor Air | 3 | 137 |
| American Airlines | 1 | 381 |
Southwest’s delay count stood considerably above the other carriers.
Northeast Airport Operations Face Operational Challenges
The US Northeast presented an important area of concern in the day’s aviation picture. FAA advisories covered LaGuardia, JFK, Newark, Boston Logan and Philadelphia, with departure delays and ground delays reported.
The National Weather Service reported weather alerts across parts of the Northeast, including Pennsylvania, New Jersey, Delaware and New York. A Tornado Watch covered parts of the region, while Gale Warnings remained in effect over coastal waters. A Flash Flood Warning was also displayed near the New York-Newark area, alongside a Winter Weather Advisory in the northwestern part of the region.
Flight disruptions impacted travel across the US yesterday as well. Read our earlier coverage here.
The figures in this report were compiled and reviewed using real-time records from November 12, 2026, at 2:15 pm ET.
Primary source: FlightAware.
Verification Process: The editorial team examined and cross-checked the figures for accuracy. Timestamped records, flight-tracking logs, and data-feed snapshots have been retained for reference and editorial transparency.
Note: Flight-tracking figures may change as airspace conditions and airline operations evolve. Minor differences may arise when comparing these figures with later updates from airports or airlines.
Passengers are advised to check their flight status, monitor schedule changes, and consult the latest operational updates from their airlines before travelling.
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