Skip to content
WanderNerd

Flight Reliability

DL 3703 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 3703 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

88%
Arrive within 15 minutes
1 min
Average arrival delay
0.5%
Cancelled
7 min early
Median arrival delay

Based on 411 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(60 flights)
  • Tue85%(59 flights)
  • Wed93%(57 flights)
  • Thu84%(57 flights)
  • Fri86%(56 flights)
  • Sat95%(58 flights)
  • Sun92%(61 flights)
On-time by departure window
  • 9 AM–12 PM91%(22 flights)
  • 12–3 PM93%(91 flights)
  • 3–6 PM87%(148 flights)
  • 6–9 PM86%(147 flights)
On-time trend by month
81%
May

Jul 92% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202592%50
August 202592%62
September 202597%60
October 202580%10
November 202588%43
December 202569%29
January 202689%28
February 202682%28
March 202687%31
April 202693%29
May 202681%31
Departures on time
91%
Diverted
0.2%
Flights flown
408
Months covered
12

Based on 411 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.