WN3786: Phoenix to Denver
Southwest Airlines flight WN3786 flies from Phoenix Sky Harbor (PHX) to Denver (DEN), 969 km. Over August 2025 to July 2026 it usually arrives about 11 minutes late: 69% of 238 flights arrived within 15 minutes of schedule and 0.8% were cancelled (US Department of Transportation data).
On-time record, last 12 months
Every operation of WN3786, August 2025 to July 2026: 238 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN3786
- Phoenix Sky Harbor (PHX) to Denver (DEN)58 flights
- Sacramento (SMF) to Las Vegas (LAS)50 flights
- Chicago O'Hare (ORD) to Las Vegas (LAS)32 flights
- St. Louis (STL) to Los Angeles (LAX)25 flights
- Phoenix Sky Harbor (PHX) to Indianapolis (IND)18 flights
- Cleveland Hopkins (CLE) to St. Louis (STL)14 flights
- Pittsburgh (PIT) to Orlando (MCO)9 flights
- Los Angeles (LAX) to San Francisco (SFO)8 flights
- Las Vegas (LAS) to Phoenix Sky Harbor (PHX)8 flights
- Las Vegas (LAS) to San Diego (SAN)5 flights
Other flights from Phoenix to Denver
More about Phoenix Sky Harbor (PHX) and Denver (DEN).
Questions and answers
- Is WN3786 usually on time?
- 69% of Southwest Airlines flight WN3786's 238 flights from August 2025 to July 2026 arrived within 15 minutes of schedule, 8.3 points below the US average of 77.6%. It arrived about 11 minutes late on average.
- How often is WN3786 cancelled or badly delayed?
- 0.8% of WN3786's scheduled flights were cancelled from August 2025 to July 2026 (2 of 238), and 18% of the flights that operated arrived more than 30 minutes late.
- What route does WN3786 fly?
- WN3786 most often flies from Phoenix Sky Harbor (PHX) to Denver (DEN), 969 km (58 flights in the period). The same flight number also flew Sacramento (SMF) to Las Vegas (LAS), Chicago O'Hare (ORD) to Las Vegas (LAS), St. Louis (STL) to Los Angeles (LAX).
- Where do these WN3786 figures come from?
- From the US Bureau of Transportation Statistics (BTS) on-time records, which cover every domestic flight by the larger US airlines. The figures cover August 2025 to July 2026 and are updated each month when new BTS data is published, about two months after the month ends. See how TripStow measures punctuality.
How does Southwest Airlines compare? Southwest Airlines' on-time record and the US airline league table.
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