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Flight Reliability

DL 2228 · Delta Air Lines

Salt Lake City → Indianapolis (SLC–IND)

89
Pretty Reliable
WanderNerd Reliability Score
86%
Arrive within 15 minutes
0 min
Average arrival delay
1.1%
Cancelled
8 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

What the data says

3–6 PM has a slight edge.

Departures between 3–6 PM arrived on time 86% of the time, against 81% between 6–9 PM.

Skip Monday if you can.

DL 2228 arrived on time 92% of the time on Wednesdays. On Mondays: 79%.

A bit ahead of the Delta Air Lines network.

DL 2228 arrived on time 86% of the time, versus 81% across the Delta Air Lines network.

Slipping a little lately.

DL 2228 arrived on time 79% of the time over the last three months in the data, compared with 85% in the three months before that.

The breakdown

On-time by weekday
  • Mon79%(52 flights)
  • Tue87%(52 flights)
  • Wed92%(51 flights)
  • Thu89%(52 flights)
  • Fri86%(51 flights)
  • Sat82%(50 flights)
  • Sun85%(52 flights)
On-time by departure window
  • 3–6 PM86%(334 flights)
  • 6–9 PM81%(26 flights)
On-time trend by month
84%
May

Jun 87% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 202587%31
August 202594%31
September 202593%30
October 202590%31
November 202583%29
December 202590%29
January 202687%30
February 202678%27
March 202671%31
April 202683%30
May 202684%31
Departures on time
84%
Diverted
0%
Flights flown
360
Months covered
12

Keep nerding

Based on 364 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.