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Flight Reliability

DL 1130 · Delta Air Lines

Atlanta → Kansas City (ATL–MCI)87% of its flights flew this route. The rest (BOS–AUS, SJC–SLC) are included in these numbers.

80
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
9 min
Average arrival delay
1.4%
Cancelled
5 min early
Median arrival delay

Based on 366 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

DL 1130 departing between 3–6 PM arrived on time 94% of the time, versus 76% between 6–9 PM.

Wednesday is the weak spot.

DL 1130 arrived on time 87% of the time on Thursdays. On Wednesdays: 74%.

A bit behind the ATL–MCI route.

DL 1130 arrived on time 79% of the time, versus 82% across the ATL–MCI route.

Slipping a little lately.

DL 1130 arrived on time 80% of the time over the last three months in the data, compared with 83% in the three months before that.

The breakdown

On-time by weekday
  • Mon79%(53 flights)
  • Tue74%(53 flights)
  • Wed74%(53 flights)
  • Thu87%(52 flights)
  • Fri79%(53 flights)
  • Sat84%(43 flights)
  • Sun76%(53 flights)
On-time by departure window
  • 12–3 PM88%(17 flights)
  • 3–6 PM94%(46 flights)
  • 6–9 PM76%(297 flights)
On-time trend by month
73%
May

Jun 66% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202566%29
July 202559%29
August 202571%31
September 202590%30
October 202587%31
November 202583%24
December 202576%29
January 202682%45
February 202691%22
March 202673%30
April 202693%30
May 202673%30
Departures on time
78%
Diverted
0.3%
Flights flown
360
Months covered
12

Same route, other flights

Keep nerding

Based on 366 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.