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Flight Reliability

DL 909 · Delta Air Lines

Los Angeles → Indianapolis (LAX–IND)83% of its flights flew this route. The rest (MSY–LAX, IND–LAX) are included in these numbers.

95
Nerd Approved
WanderNerd Reliability Score
90%
Arrive within 15 minutes
6 min early
Average arrival delay
0.6%
Cancelled
11 min early
Median arrival delay

Based on 328 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 9 AM–12 PM arrived on time 93% of the time, against 86% between 6–9 AM.

Mondays have been rough.

DL 909 arrived on time 100% of the time on Saturdays and just 80% on Mondays. That gap is worth planning around.

Better than the LAX–IND route average.

DL 909 arrived on time 90% of the time, versus 82% across the LAX–IND route.

Better than the Delta Air Lines network average.

DL 909 arrived on time 90% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon80%(51 flights)
  • Tue86%(51 flights)
  • Wed90%(52 flights)
  • Thu96%(49 flights)
  • Fri92%(48 flights)
  • Sat100%(22 flights)
  • Sun92%(52 flights)
On-time by departure window
  • 6–9 AM86%(58 flights)
  • 9 AM–12 PM93%(152 flights)
  • 3–6 PM88%(25 flights)
  • 6–9 PM87%(30 flights)
  • 9 PM–12 AM90%(60 flights)
On-time trend by month
89%
May

Jun 81% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%26
July 202596%26
August 202593%29
September 202593%27
October 202592%26
November 202591%21
December 202593%28
January 202696%27
February 202682%11
March 202685%20
April 202686%28
May 202689%56
Departures on time
89%
Diverted
0.3%
Flights flown
325
Months covered
12

Same route, other flights

Keep nerding

Based on 328 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.