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Flight Reliability

DL 1298 · Delta Air Lines

Atlanta → Detroit (ATL–DTW)

91
Nerd Approved
WanderNerd Reliability Score
87%
Arrive within 15 minutes
2 min
Average arrival delay
0.8%
Cancelled
4 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 6–9 AM arrived on time 92% of the time, against 86% between 9 AM–12 PM.

Sunday scaries are real for this one.

DL 1298 arrived on time 92% of the time on Thursdays. On Sundays: 79%.

Better than the ATL–DTW route average.

DL 1298 arrived on time 87% of the time, versus 78% across the ATL–DTW route.

A bit ahead of the Delta Air Lines network.

DL 1298 arrived on time 87% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon86%(51 flights)
  • Tue89%(52 flights)
  • Wed89%(52 flights)
  • Thu92%(52 flights)
  • Fri83%(52 flights)
  • Sat88%(51 flights)
  • Sun79%(52 flights)
On-time by departure window
  • 6–9 AM92%(39 flights)
  • 9 AM–12 PM86%(323 flights)
On-time trend by month
90%
May

Jun 83% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%30
July 202577%31
August 2025100%31
September 202597%30
October 202590%31
November 202577%30
December 202581%31
January 202690%29
February 202693%28
March 202667%30
April 202693%30
May 202690%31
Departures on time
88%
Diverted
0%
Flights flown
362
Months covered
12

Same route, other flights

Keep nerding

Based on 365 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.