UA638 MSY → SFO

United Airlines · New Orleans, LA to San Francisco, CA · 15 flights observed, 2025-12-18 to 2026-01-05 · 1,911 mi

UA638 covers more than one route in the data window — the stats below are for MSY → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
53%
Median delay
+3 min
90th percentile
+184 min
Cancellation rate
0%

How often is UA638 on time?

Across 15 flights on MSY → SFO from 2025-12-18 to 2026-01-05, UA638 arrived within 15 minutes of schedule 53% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +184 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time853%
16-30 min17%
31-60 min213%
61-120 min00%
2+ hrs427%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121164%+25 min
2026-01425%+122 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue250%
Wed2100%
Thu2100%
Fri30%
SatNo data—
Sun333%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…