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Flight Reliability

DL 4797 · Delta Air Lines

Indianapolis → Detroit (IND–DTW)

75
Usually Fine
WanderNerd Reliability Score
82%
Arrive within 15 minutes
1 min early
Average arrival delay
3.8%
Cancelled
9 min early
Median arrival delay

Based on 53 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon—(8 flights)
  • Tue—(9 flights)
  • Wed—(9 flights)
  • Thu—(8 flights)
  • Fri—(8 flights)
  • Sat—(1 flights)
  • Sun—(8 flights)
On-time trend by month
75%
Dec

Oct 89% → Dec 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 202589%18
November 202582%17
December 202575%16
Departures on time
86%
Diverted
0%
Flights flown
51
Months covered
3

Same route, other flights

Keep nerding

Based on 53 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.