UA1398 SNA → ORD

United Airlines · Santa Ana, CA to Chicago, IL · 66 flights observed, 2025-09-25 to 2026-01-05 · 1,726 mi

UA1398 covers more than one route in the data window — the stats below are for SNA → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
88%
Median delay
-7 min
90th percentile
+24 min
Cancellation rate
0%

How often is UA1398 on time?

Across 66 flights on SNA → ORD from 2025-09-25 to 2026-01-05, UA1398 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +24 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time5888%
16-30 min23%
31-60 min12%
61-120 min46%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2025-096100%-6 min
2025-102584%-5 min
2025-123087%+8 min
2026-015100%-4 min

Performance by day of week

DayFlightsOn-time
Mon989%
Tue989%
Wed9100%
Thu1090%
Fri10100%
Sat1080%
Sun967%

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