SkyWest Flight SKW5688 Diverts to Phoenix Sky Harbor from San Francisco to Tucson Route 2026

A regional flight from San Francisco to Tucson was redirected to Phoenix Sky Harbor on August 5, 2026, resulting in a 1 hour and 20 minute delay for passengers.

On the evening of August 5, 2026, SkyWest Airlines Flight SKW5688 (also identified as OO5688) experienced an unexpected route change. The flight, which was scheduled to connect San Francisco International Airport (SFO) with Tucson International Airport (TUS), ended its journey at Phoenix Sky Harbor International Airport (PHX) instead.

The aircraft involved was a Bombardier CRJ7, registered as N743SK. While the flight landed safely, the diversion shifted the arrival point to a different city, impacting the final leg of the passengers' journey.

Flight Timeline and Diversion Details

The operation began at San Francisco International Airport, where the aircraft departed from Gate F7 at 10:04 PM PDT. The flight was intended to land in Tucson at 11:26 PM MST.

However, due to an undisclosed operational necessity, the crew redirected the aircraft to Phoenix. The flight touched down at Phoenix Sky Harbor International Airport at 12:16 AM MST on August 6, 2026. This diversion resulted in the aircraft arriving 1 hour and 20 minutes later than the original scheduled arrival time in Tucson.

While SkyWest has not released a specific cause for the detour, such diversions are typically triggered by:

• Sudden changes in weather conditions at the destination airport.
• Air traffic control restrictions or airport congestion.
• Precautionary technical evaluations by the flight crew.
• Emergency operational requirements to ensure passenger safety.

Impact on Regional Passenger Logistics

The shift from Tucson to Phoenix creates a significant logistical gap for travelers. Because Phoenix and Tucson are distinct metropolitan areas, passengers were not delivered to their final destination airport.

Those on board likely faced the need for immediate ground transportation arrangements to cover the remaining distance to Tucson. In these scenarios, airlines typically coordinate with ground handlers to provide guidance, though the responsibility for onward travel often depends on the specific nature of the diversion.

Technical Specifications of the Aircraft

The flight was operated by a Bombardier CRJ7 (Registration: N743SK). This aircraft model is a staple of the U.S. regional aviation network, specifically designed to bridge the gap between major hubs like San Francisco and smaller regional destinations like Tucson.

The CRJ700 series is favored for its efficiency on short-to-medium haul routes, allowing regional carriers to maintain frequency without the overhead of larger narrow-body jets.

Flight Data Summary: SKW5688

Flight Detail	Data
Flight Number	SKW5688 (OO5688)
Aircraft Model	Bombardier CRJ7
Registration	N743SK
Departure Airport	San Francisco International (SFO)
Departure Gate	F7
Departure Time	10:04 PM PDT (Aug 5)
Scheduled Destination	Tucson International (TUS)
Scheduled Arrival	11:26 PM MST (Aug 5)
Actual Destination	Phoenix Sky Harbor (PHX)
Actual Arrival	12:16 AM MST (Aug 6)
Total Delay	1 hour 20 minutes

Regional Aviation Resilience

This incident underscores the importance of "alternate airport" planning in the United States aviation system. The ability to seamlessly pivot a flight from a primary destination to a nearby hub like Phoenix Sky Harbor is a critical safety mechanism.

For regional routes across the Western U.S., where geography and weather can change rapidly, the coordination between SkyWest pilots and air traffic controllers ensures that safety takes precedence over schedule adherence.

Key Takeaways

• Route Change: Flight SKW5688 diverted from Tucson (TUS) to Phoenix (PHX).
• Timing: The aircraft landed at 12:16 AM MST on August 6, 80 minutes behind schedule.
• Equipment: A Bombardier CRJ7 (N743SK) was used for the operation.
• Passenger Effect: Travelers required additional ground transport from Phoenix to reach Tucson.

Frequently Asked Questions

Why was SkyWest Flight SKW5688 diverted? The specific reason was not disclosed, but common causes include weather, technical precautions, or air traffic management.

How much longer did the flight take due to the diversion? The flight arrived in Phoenix 1 hour and 20 minutes after it was originally scheduled to arrive in Tucson.

What aircraft was used for the San Francisco to Tucson route? The flight was operated by a Bombardier CRJ7 regional jet, registration N743SK.

Safety and operational flexibility remain the primary drivers of regional flight diversions in the U.S. network.

Related Travel Guides

• Routes British Airways Expands London Hub with 12 New Destinations 2026

• Boston Logan Unleashes Revolutionary Off-Site JetBlue and Delta Security Screening to Obliterate Terminal Travel Chaos

• American Airlines Overhauls Premium Strategy with Fleet Upgrades and Hub Expansion in 2026