ON TIMEBOARD

UA 2253 on time

United Airlines 2253: Washington to New Orleans at 9:00 a.m.; New Orleans to Houston at 12:07 p.m. (past 12 months). Figures below the title are for IAD → MSY, its busiest leg

On time
91%
222 flights · likely 86–94%
Cancelled
0.4%
of scheduled flights
Typical arrival
−13 min
median vs schedule
When late
+52 min
average delay
Similar flights
90%
UA, same route & hour

About 1 in 11 UA 2253 flights from Washington arrived 15+ minutes late, diverted or cancelled over the past year (9%); 0.4% were cancelled. The typical flight landed 13 minutes early.

UA 2253: IAD → MSY

Scheduled to leave Washington at 9:00 a.m. local time. Over the past year it arrived on time 91% of the time (222 flights), in line with other UA flights on the route at that hour (90%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 100% on time (15 flights)100SepOct 2025: 92% on time (24 flights)92OctNov 2025: 90% on time (30 flights)90NovDec 2025: 67% on time (15 flights)67DecJan 2026: too few flights (13 flights)JanFeb 2026: 94% on time (18 flights)94FebMar 2026: 90% on time (20 flights)90MarApr 2026: 100% on time (29 flights)100AprMay 2026: 95% on time (19 flights)95MayJun 2026: too few flights (13 flights)JunJul 2026: too few flights (13 flights)JulAug 2026: too few flights (13 flights)Aug

By day of week

DayFlightsOn time
Monday4892%
Tuesday13—
Wednesday16—
Thursday4992%
Friday4892%
Saturday18—
Sunday3080%

Why it was late

Airline (crew, maintenance, ops) 41%Air traffic & airport (NAS) 40%Late inbound plane 19%

All flights IAD → MSY · Connecting off UA 2253? Check the risk

UA 2253: MSY → IAH

Scheduled to leave New Orleans at 12:07 p.m. local time. Over the past year it arrived on time 82% of the time (191 flights), in line with other UA flights on the route at that hour (81%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%May 2025: too few flights (9 flights)MayJun 2025: 72% on time (25 flights)72JunJul 2025: 71% on time (31 flights)71JulAug 2025: 77% on time (31 flights)77AugSep 2025: 93% on time (30 flights)93SepOct 2025: 87% on time (31 flights)87OctNov 2025: 79% on time (29 flights)79NovDec 2025: too few flights (1 flights)DecMay 2026: too few flights (11 flights)MayJun 2026: 66% on time (29 flights)66JunJul 2026: 80% on time (30 flights)80JulAug 2026: 93% on time (30 flights)93Aug

By day of week

DayFlightsOn time
Monday2986%
Tuesday2789%
Wednesday2774%
Thursday2875%
Friday2781%
Saturday2584%
Sunday2886%

Why it was late

Late inbound plane 72%Air traffic & airport (NAS) 22%Airline (crew, maintenance, ops) 6%

All flights MSY → IAH · Connecting off UA 2253? Check the risk

Questions

How often is UA 2253 from IAD to MSY late?

United Airlines 2253 from Washington, DC to New Orleans, LA arrived 15 or more minutes late, was diverted or was cancelled on 9% of 222 scheduled flights between September 2025 and August 2026. 0.4% were cancelled.

How often is UA 2253 from MSY to IAH late?

United Airlines 2253 from New Orleans, LA to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 18% of 191 scheduled flights between September 2025 and August 2026. 0.0% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check United Airlines for today's flight. Method.