How often is UA1238 on time?

Across 11 flights on EWR → LAS from 2026-05-21 to 2026-05-31, UA1238 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived -6 min or later. 0% 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

• UA1238 on IAH → PHX (6 flights)
• UA1238 on FLL → DEN (24 flights)
• UA1238 on CHS → IAD (20 flights)
• UA1238 on DEN → SDF (1 flights)
• UA1238 on IAH → ATL (32 flights)
• UA1238 on LAS → EWR (24 flights)
• UA1238 on SFO → PHL (18 flights)
• UA1238 on SEA → SFO (20 flights)
• UA1238 on HNL → SFO (37 flights)
• UA1238 on LGA → ORD (19 flights)
• UA1238 on ORD → BZN (19 flights)
• UA1238 on EWR → MSN (16 flights)
• UA1238 on SAV → EWR (31 flights)
• UA1238 on SFO → RDU (31 flights)
• UA1238 on RDU → EWR (26 flights)
• UA1238 on DEN → SAV (37 flights)
• UA1238 on EWR → SEA (49 flights)
• UA1238 on RSW → EWR (18 flights)

Related

• All United Airlines flights on EWR → LAS
• Compare airlines on EWR → LAS
• United Airlines on the return, LAS → EWR