How often is UA538 on time?

Across 7 flights on BTV → ORD from 2025-12-02 to 2025-12-16, UA538 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +23 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

• UA538 on ABQ → SFO (5 flights)
• UA538 on CVG → IAD (1 flights)
• UA538 on ALB → ORD (32 flights)
• UA538 on SFO → SAN (3 flights)
• UA538 on DEN → MIA (21 flights)
• UA538 on EWR → MIA (77 flights)
• UA538 on SFO → PHL (37 flights)
• UA538 on EWR → JAC (19 flights)
• UA538 on ORD → DEN (16 flights)
• UA538 on BUR → DEN (27 flights)
• UA538 on DEN → ICT (2 flights)
• UA538 on SNA → DEN (5 flights)
• UA538 on EWR → SFO (117 flights)
• UA538 on TPA → EWR (32 flights)
• UA538 on SFO → MFR (48 flights)

Related

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