Flight Reliability
DL 3553 · Delta Air Lines
MAF → Austin (MAF–AUS)90% of its flights flew this route. The rest (SHV–ATL) are included in these numbers.
88
Pretty Reliable
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 0 min
- Average arrival delay
- 0%
- Cancelled
- 7 min early
- Median arrival delay
Based on 70 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 3553 arrived on time 100% of the time on Wednesdays and just 70% on Sundays. That gap is worth planning around.
The breakdown
- Mon80%(10 flights)
- Tue70%(10 flights)
- Wed100%(10 flights)
- Thu90%(10 flights)
- Fri70%(10 flights)
- Sat80%(10 flights)
- Sun70%(10 flights)
- 6–9 AM—(7 flights)
- 12–3 PM78%(63 flights)
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 70
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 70 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.