UA2603 EWR → BOS

United Airlines · Newark, NJ to Boston, MA · 61 flights observed, 2025-12-18 to 2026-03-28 · 200 mi

This flight's reliability varies a lot by day of week — 100% on-time on Thursdays vs. 63% on Mondays.

UA2603 covers more than one route in the data window — the stats below are for EWR → BOS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
86%
Median delay
-13 min
90th percentile
+20 min
Cancellation rate
3%

How often is UA2603 on time?

Across 61 flights on EWR → BOS from 2025-12-18 to 2026-03-28, UA2603 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +20 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time5186%
16-30 min35%
31-60 min12%
61-120 min35%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121471%+13 min
2026-015100%-9 min
2026-0212100%-10 min
2026-032886%-6 min

Performance by day of week

DayFlightsOn-time
Mon863%
Tue771%
Wed888%
Thu10100%
Fri10100%
Sat771%
Sun9100%

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