SBN to IAD flight delays & on-time performance
Nonstop flights from South Bend International Airport to Washington Dulles International Airport · 504 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SBN or IAD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from South Bend (SBN) to Washington (IAD) arrived on time 86% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0% were cancelled, and 5% arrived an hour or more late.
- Republic Airways is the only airline reporting nonstop flights on this route.
- Saturday was the most reliable day to fly (100% on time) and Sunday the least (77%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (73%).
Which airline is most on time from SBN to IAD?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 86% | 0.0% | 13 min | 5.3% | 94 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
Not enough departures across different hours to compare.
Best day of the week
On-time arrival rate by day of departure.
- Monday92%0.0% cancelled
- Tuesday80%0.0% cancelled
- Wednesday94%0.0% cancelled
- Thursday83%0.0% cancelled
- Friday77%0.0% cancelled
- Saturday100%0.0% cancelled
- Sunday77%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)73%
- Air traffic control & airport congestion16%
- Late-arriving aircraft12%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
SBN to IAD: common questions
- How often are SBN to IAD flights on time?
- 86% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from South Bend to Washington cancelled?
- 0.0% of scheduled flights were cancelled (0 of 94).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 89 min behind schedule on average, and 5.3% of flights were an hour or more late.
- How long is taxi time at SBN?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: IAD to SBN — 89% on time
More flights from South Bend
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SBN → IAD, nonstop flights by US airlines that report to the DOT. How we calculate this.