ON TIMEBOARD

DL 1517 on time

Delta Air Lines 1517: Los Angeles to Kansas City at 9:30 a.m.; Kansas City to Los Angeles at 3:55 p.m. (past 12 months). Figures below the title are for LAX → MCI, its busiest leg

On time
92%
338 flights · likely 89–95%
Cancelled
0.6%
of scheduled flights
Typical arrival
−12 min
median vs schedule
When late
+97 min
average delay
Similar flights
92%
DL, same route & hour

About 1 in 13 DL 1517 flights from Los Angeles arrived 15+ minutes late, diverted or cancelled over the past year (8%); 0.6% were cancelled. The typical flight landed 12 minutes early.

DL 1517: LAX → MCI

Scheduled to leave Los Angeles at 9:30 a.m. local time. Over the past year it arrived on time 92% of the time (338 flights), in line with other DL flights on the route at that hour (92%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Sep 2025: 96% on time (25 flights)96SepOct 2025: 97% on time (31 flights)97OctNov 2025: 93% on time (27 flights)93NovDec 2025: 81% on time (31 flights)81DecJan 2026: 94% on time (31 flights)94JanFeb 2026: 96% on time (28 flights)96FebMar 2026: 87% on time (31 flights)87MarApr 2026: 97% on time (30 flights)97AprMay 2026: 90% on time (31 flights)90MayJun 2026: 96% on time (24 flights)96JunJul 2026: 91% on time (23 flights)91JulAug 2026: 92% on time (26 flights)92Aug

By day of week

DayFlightsOn time
Monday5288%
Tuesday5092%
Wednesday5092%
Thursday5096%
Friday4888%
Saturday3997%
Sunday4994%

Why it was late

Airline (crew, maintenance, ops) 75%Late inbound plane 17%Air traffic & airport (NAS) 8%

All flights LAX → MCI · Connecting off DL 1517? Check the risk

DL 1517: MCI → LAX

Scheduled to leave Kansas City at 3:55 p.m. local time. Over the past year it arrived on time 90% of the time (331 flights), in line with other DL flights on the route at that hour (90%). Last seen in the data Aug 30, 2026.

Usually Delta Air Lines's last flight of the day from Kansas City to Los Angeles (76% of days). Delta Air Lines's last MCI–LAX flight was cancelled 0.4% of the time, against 0.8% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 7:32 a.m. the next morning.

Month by month

40%70%100%Sep 2025: 88% on time (25 flights)88SepOct 2025: 100% on time (31 flights)100OctNov 2025: 87% on time (23 flights)87NovDec 2025: 77% on time (31 flights)77DecJan 2026: 97% on time (31 flights)97JanFeb 2026: 89% on time (28 flights)89FebMar 2026: 90% on time (31 flights)90MarApr 2026: 97% on time (30 flights)97AprMay 2026: 86% on time (29 flights)86MayJun 2026: 96% on time (24 flights)96JunJul 2026: 87% on time (23 flights)87JulAug 2026: 84% on time (25 flights)84Aug

By day of week

DayFlightsOn time
Monday5084%
Tuesday4990%
Wednesday4994%
Thursday4996%
Friday4990%
Saturday3895%
Sunday4783%

Why it was late

Late inbound plane 58%Airline (crew, maintenance, ops) 24%Severe weather 9%Air traffic & airport (NAS) 9%

All flights MCI → LAX · Connecting off DL 1517? Check the risk

Questions

How often is DL 1517 from LAX to MCI late?

Delta Air Lines 1517 from Los Angeles, CA to Kansas City, MO arrived 15 or more minutes late, was diverted or was cancelled on 8% of 338 scheduled flights between September 2025 and August 2026. 0.6% were cancelled.

How often is DL 1517 from MCI to LAX late?

Delta Air Lines 1517 from Kansas City, MO to Los Angeles, CA arrived 15 or more minutes late, was diverted or was cancelled on 10% of 331 scheduled flights between September 2025 and August 2026. 0.3% 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.