Flight Disruptions Now

July 31, 2026

Minneapolis went into a low-visibility ground stop as Orlando's cleared, and the ATC staffing pressure moved north

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The 3:30 PM ET Friday update: Minneapolis (MSP) is the day's only live ground stop, from low ceilings expected to end around 3:45 PM ET, Orlando's midday thunderstorm stop ended on schedule, Tampa holds weather departure delays, the Northeast stays clear for a second straight day, the staffing triggers that were pinching Florida's airspace expired and reappeared over New York Center, Indianapolis Center, and the F11 TRACON, and Denver is the next watch at 4 PM ET.

What's happening: Minneapolis's ground stop

The FAA's live homepage lists one ground stoppage as of 3:30 PM ET: MSP, low ceilings. Flightcheck's FAA-derived feed (checked 3:29 PM ET) confirms it: "Ground stop in effect due to low visibility. Expected to end 2:45 pm CDT," which is 3:45 PM ET, about 15 minutes from now. The FAA's daily air-traffic report for Friday flags thunderstorms at Minneapolis, so the low ceilings are storm-related, not a clear-sky fog event.

MSP is Delta's second-busiest hub, but the stop is brief and the disruption is modest. The MSP airport site shows roughly 6 to 8 cancellations and 55 to 74 delays across its live snapshots, with 370-plus flights still on time. ProFlightSearch models departures averaging about 20 minutes behind. This is a tactical hold to let a low-ceiling cell pass, not a cascade.

One data caveat worth knowing: the FAA's airport-specific MSP page still reads "On Time" with 15-minute delays, but its timestamp is July 22. The homepage and Flightcheck are the fresher sources here. The per-airport pages lag the ops plan consistently on convective days.

What changed since noon: Orlando cleared, staffing moved north

The 12:30 PM issue led with Orlando's thunderstorm ground stop and a Jacksonville Center (ZJX) South Area staffing trigger running to 2 PM. Both are now over. The FAA homepage shows zero ground stoppages in Florida, and Flightcheck lists MCO as on time. Orlando's stop ended within the window the last issue predicted (around 1:30 PM ET).

The staffing pressure did not disappear, it migrated. The current ops plan, ADVZY 073 (issued after the 1:15 PM ET planning webinar, event time 31/1800Z and later), carries four staffing triggers, and none of them are in Florida anymore:

This is the mechanism shift worth tracking. The ZJX South trigger the noon issue highlighted was a Florida-airspace staffing gap cutting the capacity to absorb thunderstorm reroutes around Orlando and Tampa. The new triggers sit over the Northeast and Midwest corridors, the same airspace that carried the multi-day storm siege from Tuesday through Thursday. None of them has produced a terminal ground stop or delay program yet, the plan is managing them with miles-in-trail spacing and reroutes, but they are the capacity tax that turns an ordinary afternoon thunderstorm into a formal ground stop if a cell settles over a hub.

Tampa is the one Florida airport still feeling it. The FAA homepage lists a TPA stop-type traffic-management initiative for weather, and Flightcheck shows TPA departure delays of 16 to 30 minutes from weather. It is not a full ground stop. The Northeast (JFK, Newark, LaGuardia, Philadelphia, DCA, IAD, BWI) and Boston all read on time, the second straight day the coastal hubs have been clear after the Tuesday-Thursday siege.

The 4 PM watch: Denver, and Florida is not done

Two forward watches are live in the ops plan, and the nearer one is about 30 minutes out.

Denver is flagged for a possible ground stop or delay program after 2000Z (4 PM ET). The FAA's Friday report names Denver alongside Memphis and Minneapolis for thunderstorm risk, and Denver has fired a terminal program three days running (a delay program Tuesday, a ground stop plus delay program Wednesday, a ground stop Thursday that ran 6:02 to 7:15 PM ET). The plan tier is POSSIBLE, the lowest confidence, so this may fizzle the way several Northeast watches did this week. But the Front Range's track record says treat it as real.

Florida is the second watch. The ops plan keeps MCO, TPA, MIA, FLL, and DJT as possible ground stops until 0000Z (8 PM ET), and the FAA daily report lists the same airports for thunderstorm risk. Orlando already cycled through one stop today, and Tampa is running weather departure delays now, so the air mass is active. A second Florida stop later this afternoon would not be a surprise.

The en-route picture has thinned but is not clean. Houston Center (ZHU) reports route L208 closed for thunderstorms with an update at 5 PM ET, and New York Center has L453 and L455 closed for thunderstorms with an update at 7 PM ET. A VIP arrival at Morristown, NJ (MMU) after 3 PM ET is driving TFR route caps across the New York and Washington centers, which is GA reroutes, not a passenger ground stop.

Today by the numbers: a lighter Friday

This is not a storm-wall day. By late morning, U.S. airports had logged roughly 1,450 delays and about 100 cancellations, per MLive data surfaced by Travel And Tour News, a fraction of Thursday's 4,100-plus delays and 160-plus cancellations. Boston, which ran a day-long 110-minute low-ceilings delay program Thursday, is on time today after that program was purged Thursday night and did not re-fire Friday morning. FlightAware's live tracker is the rolling source to watch if Denver or Florida fires this afternoon.

The structural backdrop has not changed. The controller shortage (N90 at roughly 57 percent of target, ZNY near 68 percent, about a 3,000-controller national gap) is why a single staffing trigger can tip a hub into a ground stop on a day that would otherwise be routine. That is the through-line from this week's Florida, New York, and now Minneapolis stops.

Rebooking basics

No airline has posted a new weather waiver for Friday. The waivers issued for the July 9 to 12 and July 28 to 30 storm windows have all expired. If Minneapolis or Denver affects your trip, the play is the same as on the storm-wall days:

If you are connecting through Denver after 4 PM ET or through any Florida hub this afternoon, build in buffer and watch the FAA NAS Status page for a terminal program firing.

That’s the reading for this issue.