ON TIMEBOARD

DL 1287 on time

Delta Air Lines 1287: Los Angeles to Houston at 6:40 p.m. (past 12 months)

On time
83%
283 flights · likely 78–87%
Cancelled
1.4%
of scheduled flights
Typical arrival
−7 min
median vs schedule
When late
+69 min
average delay
Similar flights
83%
DL, same route & hour

About 1 in 6 DL 1287 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (17%); 1.4% were cancelled. The typical flight landed 7 minutes early.

DL 1287: LAX → IAH

Scheduled to leave Los Angeles at 6:40 p.m. local time. Over the past year it arrived on time 83% of the time (283 flights), in line with other DL flights on the route at that hour (83%). Last seen in the data Aug 30, 2026.

Usually Delta Air Lines's last flight of the day from Los Angeles to Houston (100% of days). Delta Air Lines's last LAX–IAH flight was cancelled 1.4% of the time, against 0.7% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 9:40 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 95% on time (21 flights)95SepOct 2025: 91% on time (23 flights)91OctNov 2025: 75% on time (20 flights)75NovDec 2025: 73% on time (26 flights)73DecJan 2026: 57% on time (21 flights)57JanFeb 2026: 95% on time (22 flights)95FebMar 2026: 81% on time (27 flights)81MarApr 2026: 100% on time (26 flights)100AprMay 2026: 84% on time (25 flights)84MayJun 2026: 74% on time (23 flights)74JunJul 2026: 71% on time (24 flights)71JulAug 2026: 92% on time (25 flights)92Aug

By day of week

DayFlightsOn time
Monday5090%
Tuesday4687%
Wednesday4393%
Thursday4689%
Friday4873%
Saturday4—
Sunday4670%

Why it was late

Airline (crew, maintenance, ops) 52%Late inbound plane 38%Air traffic & airport (NAS) 10%

All flights LAX → IAH · Connecting off DL 1287? Check the risk

Questions

How often is DL 1287 from LAX to IAH late?

Delta Air Lines 1287 from Los Angeles, CA to Houston, TX arrived 15 or more minutes late, was diverted or was cancelled on 17% of 283 scheduled flights between September 2025 and August 2026. 1.4% 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.