How often is WN1228 on time?

Across 55 flights on SFO → DEN from 2026-01-06 to 2026-03-04, WN1228 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +16 min or later. 2% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

Performance by month

Performance by day of week

Other routes

• WN1228 on DEN → COS (19 flights)
• WN1228 on COS → MDW (11 flights)
• WN1228 on LGA → DEN (12 flights)
• WN1228 on BNA → AUS (26 flights)
• WN1228 on ABQ → DAL (32 flights)
• WN1228 on DAL → AUS (8 flights)
• WN1228 on ATL → DEN (33 flights)
• WN1228 on PHX → LAS (38 flights)
• WN1228 on MDW → TUL (36 flights)
• WN1228 on LAS → ONT (16 flights)
• WN1228 on TUL → PHX (17 flights)
• WN1228 on RSW → MDW (5 flights)
• WN1228 on ORD → PHX (24 flights)
• WN1228 on LAX → SJC (4 flights)
• WN1228 on DAL → LGA (1 flights)
• WN1228 on PHX → DAL (1 flights)
• WN1228 on MKE → PHX (14 flights)
• WN1228 on DAL → PHX (4 flights)
• WN1228 on MDW → RDU (26 flights)
• WN1228 on DCA → STL (24 flights)
• WN1228 on SNA → OAK (35 flights)
• WN1228 on OAK → BOI (10 flights)

Related

• All Southwest Airlines flights on SFO → DEN
• Compare airlines on SFO → DEN
• Southwest Airlines on the return, DEN → SFO