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Flight Reliability

DL 5429 · Delta Air Lines

Atlanta → CSG (ATL–CSG)85% of its flights flew this route. The rest (ATL–CAE, ATL–AVL) are included in these numbers.

70
Usually Fine
WanderNerd Reliability Score
72%
Arrive within 15 minutes
17 min
Average arrival delay
1.6%
Cancelled
5 min early
Median arrival delay

Based on 248 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

DL 5429 departing between 9 PM–12 AM arrived on time 77% of the time, versus 67% between 3–6 PM.

Sunday scaries are real for this one.

DL 5429 arrived on time 77% of the time on Mondays. On Sundays: 68%.

Lagging the Delta Air Lines network.

DL 5429 arrived on time 72% of the time, versus 81% across the Delta Air Lines network.

Slipping a little lately.

DL 5429 arrived on time 73% of the time over the last three months in the data, compared with 79% in the three months before that.

The breakdown

On-time by weekday
  • Mon77%(35 flights)
  • Tue75%(36 flights)
  • Wed72%(32 flights)
  • Thu74%(31 flights)
  • Fri69%(35 flights)
  • Sat70%(37 flights)
  • Sun68%(38 flights)
On-time by departure window
  • 3–6 PM67%(12 flights)
  • 6–9 PM72%(219 flights)
  • 9 PM–12 AM77%(13 flights)
On-time trend by month
71%
May

Jun 61% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%28
July 202555%31
December 202572%18
January 202682%33
February 202682%28
March 202666%29
April 202683%30
May 202671%31
Departures on time
70%
Diverted
0%
Flights flown
244
Months covered
11

Same route, other flights

Keep nerding

Based on 248 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.