UA454 SFO → IAD

United Airlines · San Francisco, CA to Washington, DC · 19 flights observed, 2025-12-18 to 2026-01-05 · 2,418 mi

This flight has been getting less reliable recently — 2026-01's on-time rate (20%) is well below the 79% average from earlier months.

UA454 covers more than one route in the data window — the stats below are for SFO → IAD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
63%
Median delay
-5 min
90th percentile
+78 min
Cancellation rate
0%

How often is UA454 on time?

Across 19 flights on SFO → IAD from 2025-12-18 to 2026-01-05, UA454 arrived within 15 minutes of schedule 63% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +78 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1263%
16-30 min211%
31-60 min15%
61-120 min316%
2+ hrs15%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121479%-4 min
2026-01520%+69 min

Performance by day of week

DayFlightsOn-time
Mon333%
Tue2100%
Wed2100%
Thu3100%
Fri333%
Sat367%
Sun333%

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