How often is UA1237 on time?

Across 1 flights on ORD → EWR from 2025-07-21 to 2025-07-21, UA1237 arrived within 15 minutes of schedule 100% of the time. The median arrival delay was -36 min, and the worst 10% of flights arrived -36 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

• UA1237 on DEN → SBP (6 flights)
• UA1237 on EWR → RSW (35 flights)
• UA1237 on MSP → ORD (233 flights)
• UA1237 on SDF → EWR (1 flights)
• UA1237 on ORD → PHX (16 flights)
• UA1237 on TVC → ORD (6 flights)
• UA1237 on IAD → BDL (3 flights)
• UA1237 on DCA → ORD (1 flights)
• UA1237 on SAT → DEN (2 flights)
• UA1237 on TPA → ORD (5 flights)
• UA1237 on ORD → RAP (1 flights)

Related

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