ON TIMEBOARD
Delta Air Lines / SEA → LAS

DL 2905 on time

Delta Air Lines 2905: Seattle to Las Vegas at 10:15 a.m.; Las Vegas to Seattle at 1:45 p.m. (past 12 months). Figures below the title are for SEA → LAS, its busiest leg

On time
82%
360 flights · likely 78–86%
Cancelled
0.6%
of scheduled flights
Typical arrival
−4 min
median vs schedule
When late
+55 min
average delay
Similar flights
84%
DL, same route & hour

About 1 in 6 DL 2905 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (18%); 0.6% were cancelled. The typical flight landed 4 minutes early.

DL 2905: SEA → LAS

Scheduled to leave Seattle at 10:15 a.m. local time. Over the past year it arrived on time 82% of the time (360 flights), in line with other DL flights on the route at that hour (84%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 100% on time (30 flights)100SepOct 2025: 77% on time (31 flights)77OctNov 2025: 86% on time (29 flights)86NovDec 2025: 71% on time (31 flights)71DecJan 2026: 74% on time (31 flights)74JanFeb 2026: 96% on time (28 flights)96FebMar 2026: 65% on time (31 flights)65MarApr 2026: 83% on time (30 flights)83AprMay 2026: 84% on time (31 flights)84MayJun 2026: 90% on time (30 flights)90JunJul 2026: 84% on time (31 flights)84JulAug 2026: 78% on time (27 flights)78Aug

By day of week

DayFlightsOn time
Monday5385%
Tuesday5279%
Wednesday5292%
Thursday5285%
Friday5277%
Saturday4877%
Sunday5180%

Why it was late

Airline (crew, maintenance, ops) 61%Air traffic & airport (NAS) 26%Late inbound plane 13%

All flights SEA → LAS · Connecting off DL 2905? Check the risk

DL 2905: LAS → SEA

Scheduled to leave Las Vegas at 1:45 p.m. local time. Over the past year it arrived on time 86% of the time (211 flights), in line with other DL flights on the route at that hour (86%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%May 2025: 90% on time (31 flights)90MayJun 2025: 83% on time (30 flights)83JunJul 2025: 90% on time (30 flights)90JulAug 2025: too few flights (10 flights)AugJan 2026: 93% on time (27 flights)93JanFeb 2026: too few flights (11 flights)FebMar 2026: 88% on time (24 flights)88MarApr 2026: 87% on time (30 flights)87AprMay 2026: 84% on time (31 flights)84MayJun 2026: 87% on time (30 flights)87JunJul 2026: 90% on time (31 flights)90JulAug 2026: 67% on time (27 flights)67Aug

By day of week

DayFlightsOn time
Monday3294%
Tuesday3187%
Wednesday3194%
Thursday3080%
Friday3073%
Saturday2692%
Sunday3181%

Why it was late

Late inbound plane 78%Air traffic & airport (NAS) 19%Airline (crew, maintenance, ops) 3%

All flights LAS → SEA · Connecting off DL 2905? Check the risk

Questions

How often is DL 2905 from SEA to LAS late?

Delta Air Lines 2905 from Seattle, WA to Las Vegas, NV arrived 15 or more minutes late, was diverted or was cancelled on 18% of 360 scheduled flights between September 2025 and August 2026. 0.6% were cancelled.

How often is DL 2905 from LAS to SEA late?

Delta Air Lines 2905 from Las Vegas, NV to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 14% of 211 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 Delta Air Lines for today's flight. Method.