ON TIMEBOARD

AS 273 on time

Alaska Airlines 273: Seattle to Reno at 11:53 a.m. (past 12 months)

On time
80%
196 flights · likely 73–85%
Cancelled
0.5%
of scheduled flights
Typical arrival
−6 min
median vs schedule
When late
+55 min
average delay
Similar flights
75%
AS, same route & hour

About 1 in 5 AS 273 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (20%); 0.5% were cancelled. The typical flight landed 6 minutes early.

AS 273: SEA → RNO

Scheduled to leave Seattle at 11:53 a.m. local time. Over the past year it arrived on time 80% of the time (196 flights), better than other AS flights on the route at that hour (75%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Nov 2025: too few flights (9 flights)NovDec 2025: too few flights (14 flights)DecJan 2026: too few flights (6 flights)JanMar 2026: too few flights (14 flights)MarApr 2026: 90% on time (30 flights)90AprMay 2026: 90% on time (31 flights)90MayJun 2026: 83% on time (30 flights)83JunJul 2026: 84% on time (31 flights)84JulAug 2026: 65% on time (31 flights)65Aug

By day of week

DayFlightsOn time
Monday2966%
Tuesday2785%
Wednesday2789%
Thursday2778%
Friday2986%
Saturday2882%
Sunday2972%

Why it was late

Late inbound plane 48%Airline (crew, maintenance, ops) 47%Air traffic & airport (NAS) 3%Severe weather 2%

All flights SEA → RNO · Connecting off AS 273? Check the risk

Questions

How often is AS 273 from SEA to RNO late?

Alaska Airlines 273 from Seattle, WA to Reno, NV arrived 15 or more minutes late, was diverted or was cancelled on 20% of 196 scheduled flights between September 2025 and August 2026. 0.5% 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 Alaska Airlines for today's flight. Method.