How often is WN2151 on time?

Across 58 flights on LAS → DCA from 2026-01-06 to 2026-03-04, WN2151 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +57 min or later. 3% 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

• WN2151 on ITO → HNL (27 flights)
• WN2151 on HOU → ECP (50 flights)
• WN2151 on ECP → MDW (24 flights)
• WN2151 on MDW → DCA (32 flights)
• WN2151 on BNA → RDU (28 flights)
• WN2151 on MCI → MDW (2 flights)
• WN2151 on SMF → LAS (53 flights)
• WN2151 on LAX → LAS (5 flights)
• WN2151 on SFO → LAX (5 flights)
• WN2151 on DEN → LBB (21 flights)
• WN2151 on SFO → DEN (18 flights)
• WN2151 on STL → MSY (24 flights)
• WN2151 on MDW → MSP (1 flights)
• WN2151 on BWI → ATL (13 flights)
• WN2151 on SAT → DAL (14 flights)
• WN2151 on DAL → MCI (1 flights)
• WN2151 on ONT → DAL (24 flights)
• WN2151 on DAL → TUL (5 flights)

Related

• All Southwest Airlines flights on LAS → DCA
• Compare airlines on LAS → DCA
• Southwest Airlines on the return, DCA → LAS