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Flight Reliability

DL 1198 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1198 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

90%
Arrive within 15 minutes
5 min early
Average arrival delay
1.1%
Cancelled
13 min early
Median arrival delay

Based on 709 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(99 flights)
  • Tue92%(98 flights)
  • Wed92%(100 flights)
  • Thu90%(102 flights)
  • Fri87%(102 flights)
  • Sat95%(98 flights)
  • Sun87%(97 flights)
On-time by departure window
  • 6–9 AM89%(354 flights)
  • 9 AM–12 PM91%(342 flights)
On-time trend by month
90%
May

Jun 88% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202588%58
July 202587%62
August 202593%61
September 202593%60
October 202593%61
November 202591%56
December 202585%46
January 202687%55
February 202682%55
March 202693%60
April 202693%60
May 202690%62
Departures on time
88%
Diverted
0.7%
Flights flown
696
Months covered
12

Keep nerding

Based on 709 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.