South Bend (SBN) to Washington (IAD): On-Time Performance
Data through May 2026
South Bend (SBN) to Washington (IAD) is a thinner route than most in this dataset — 141 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 86% arrived on time, comfortably above the national average of 78%.
- On-time
- 86%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 2.3%
- Flights/day
- 0.39
- last 12 months
- Duration
- 1h 45m
- scheduled
- Distance
- 504 mi
Monthly on-time trend
Best time to fly from SBN to IAD
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 13 min |
| Tuesday | 88% | 15 min |
| Wednesdaybest | 93% | 14 min |
| Thursday | 89% | 17 min |
| Friday | 76% | 11 min |
| Saturday | 85% | 6 min |
| Sunday | 84% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft26%
- Airline operations51%
- National airspace system17%
- Weather5%
Frequently asked questions
- How often are flights from SBN to IAD delayed?
- 14% of SBN–IAD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 13 minutes.
- How long is the flight from SBN to IAD?
- The scheduled SBN–IAD flight time averages 1h 45m over 504 miles. Actual arrival times vary — flights on this route land 15+ minutes late 14% of the time.
- How often are SBN to IAD flights cancelled?
- 2.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What day of the week is most reliable for SBN to IAD?
- Wednesday flights have the best record at 93% on-time. Day-of-week differences on this route are meaningful — Friday trails at 76%.
Explore related pages
More routes from SBN
Based on 266 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.