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Flight Reliability

DL 757 · Delta Air Lines

Atlanta → Phoenix (ATL–PHX)91% of its flights flew this route. The rest (PHX–ATL) are included in these numbers.

68
Usually Fine
WanderNerd Reliability Score
69%
Arrive within 15 minutes
14 min
Average arrival delay
1.0%
Cancelled
0 min
Median arrival delay

Based on 388 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

DL 757 departing between 9 PM–12 AM arrived on time 79% of the time, versus 68% between 6–9 PM.

Tuesday is the weak spot.

DL 757 arrived on time 74% of the time on Saturdays. On Tuesdays: 64%.

A bit behind the ATL–PHX route.

DL 757 arrived on time 69% of the time, versus 75% across the ATL–PHX route.

Lagging the Delta Air Lines network.

DL 757 arrived on time 69% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon65%(57 flights)
  • Tue64%(53 flights)
  • Wed73%(52 flights)
  • Thu73%(51 flights)
  • Fri66%(56 flights)
  • Sat74%(54 flights)
  • Sun67%(58 flights)
On-time by departure window
  • 6–9 PM68%(347 flights)
  • 9 PM–12 AM79%(34 flights)
On-time trend by month
55%
May

Jun 59% → May 55% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%29
July 202560%30
August 202573%30
September 202586%29
October 202571%31
November 202569%29
December 202570%20
January 202648%29
February 202661%28
March 202683%53
April 202676%42
May 202655%31
Departures on time
66%
Diverted
0.8%
Flights flown
381
Months covered
12

Same route, other flights

Keep nerding

Based on 388 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.