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Flight Reliability

DL 1426 · Delta Air Lines

Atlanta → Richmond (ATL–RIC)93% of its flights flew this route. The rest (MSP–PHX) are included in these numbers.

65
Usually Fine
WanderNerd Reliability Score
73%
Arrive within 15 minutes
15 min
Average arrival delay
2.5%
Cancelled
4 min early
Median arrival delay

Based on 240 historical flights. Data through May 2026.

What the data says

9 PM–12 AM has a slight edge.

Departures between 9 PM–12 AM arrived on time 73% of the time, against 67% between 6–9 PM.

Sunday scaries are real for this one.

DL 1426 arrived on time 79% of the time on Saturdays and just 63% on Sundays. That gap is worth planning around.

Lagging the ATL–RIC route.

DL 1426 arrived on time 73% of the time, versus 80% across the ATL–RIC route.

Lagging the Delta Air Lines network.

DL 1426 arrived on time 73% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon73%(45 flights)
  • Tue76%(21 flights)
  • Wed77%(22 flights)
  • Thu76%(42 flights)
  • Fri72%(43 flights)
  • Sat79%(19 flights)
  • Sun63%(40 flights)
On-time by departure window
  • 3–6 PM—(2 flights)
  • 6–9 PM67%(12 flights)
  • 9 PM–12 AM73%(218 flights)
On-time trend by month
82%
Apr

Jun 44% → Apr 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202544%25
July 202547%19
August 202573%26
September 202591%21
October 202589%28
November 202578%23
December 202559%27
February 202688%16
March 202672%18
April 202682%17
Departures on time
75%
Diverted
0.8%
Flights flown
232
Months covered
12

Same route, other flights

Keep nerding

Based on 240 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.