How often is WN3339 on time?

Across 33 flights on IAD → DEN from 2026-03-05 to 2026-04-06, WN3339 arrived within 15 minutes of schedule 94% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +6 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

• WN3339 on PHX → SLC (27 flights)
• WN3339 on RDU → STL (7 flights)
• WN3339 on ROC → BWI (58 flights)
• WN3339 on LAS → ROC (17 flights)
• WN3339 on TPA → ROC (5 flights)
• WN3339 on LAS → HOU (46 flights)
• WN3339 on SMF → LAS (17 flights)
• WN3339 on CMH → MDW (9 flights)
• WN3339 on SAN → RNO (49 flights)
• WN3339 on RNO → DEN (18 flights)
• WN3339 on MCI → OAK (8 flights)
• WN3339 on DCA → MCI (1 flights)
• WN3339 on BWI → CMH (24 flights)
• WN3339 on CMH → PHX (14 flights)
• WN3339 on ISP → BWI (15 flights)
• WN3339 on PBI → ISP (24 flights)
• WN3339 on CMH → MCO (10 flights)

Related

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