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WanderNerd

Flight Reliability

DL 3704 · Delta Air Lines

Los Angeles → Aspen (LAXASE)91% of its flights flew this route. The rest (BZN–LAX, LAX–BZN) are included in these numbers.

75
Usually Fine
WanderNerd Reliability Score
81%
Arrive within 15 minutes
10 min
Average arrival delay
0%
Cancelled
9 min early
Median arrival delay

Based on 350 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

DL 3704 departing between 9 AM–12 PM arrived on time 85% of the time, versus 76% between 3–6 PM.

Saturdays have been rough.

DL 3704 arrived on time 90% of the time on Wednesdays and just 68% on Saturdays. That gap is worth planning around.

A bit ahead of the LAX–ASE route.

DL 3704 arrived on time 81% of the time, versus 78% across the LAX–ASE route.

It basically never cancels.

Out of 350 scheduled flights, only 0.0% were cancelled.

The breakdown

On-time by weekday
  • Mon85%(48 flights)
  • Tue85%(48 flights)
  • Wed90%(48 flights)
  • Thu76%(49 flights)
  • Fri81%(48 flights)
  • Sat68%(47 flights)
  • Sun78%(50 flights)
On-time by departure window
  • 9 AM–12 PM85%(160 flights)
  • 12–3 PM77%(149 flights)
  • 3–6 PM76%(29 flights)
On-time trend by month
100%
May

Jun 46% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202546%24
July 202569%29
August 202581%31
September 202590%29
October 202581%31
November 2025100%28
December 202583%42
January 202691%35
February 202658%26
March 202677%30
April 202696%22
May 2026100%11
Departures on time
84%
Diverted
3.4%
Flights flown
338
Months covered
12

Based on 350 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.