Flight number record
YX 3561
Republic Airways · Washington to Indianapolis
- Route
- IAD → IND
- Departs
- 08:24
- Flights
- 317
- Period
- September 2025 to August 2026
Historical statistics for September 2025 to August 2026, not live status. For today’s YX 3561, check with Republic Airways. Republic Airways flies under contract for larger airlines, so a ticket for this flight may show a different airline code and number.
YX 3561 earns an A+. Close to nine flights in ten arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 15 points better than the national rate of 77.3%. When something does go wrong the average delay runs about an hour. That rests on 317 flights, with a median arrival 12 minutes early.
Set against the rest of the country, YX 3561's record is 15 points better than the US average of 77.3%. That gap is worth roughly 148 fewer late arrivals for every thousand flights.
Key figures
On time
92.1%
Arrivals under 15 minutes late, of 315 completed flights
Avg delay
59 min
Across delayed arrivals only, not all flights
Cancelled
0.63%
National rate is 1.89%
1 hour+ late
1.9%
National rate is 8.3%
These figures cover 317 flights between September 2025 and August 2026. The median arrival is 12 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.
Fare search by Aviasales, a Travelpayouts partner. Booking through it may earn this site a commission at no cost to you; it changes no figure here.
Schedule
When YX 3561 flies
YX 3561 flies IAD to IND without a single fixed slot. Its most common scheduled departure was 08:24, used on 95 of 317 flights, with 08:30 (58 flights) and 08:31 (56 flights) next.
- Departs 08:2495 flights30.0%
- Departs 08:3058 flights18.3%
- Departs 08:3156 flights17.7%
Scale runs 0% to 100%.
Share of scheduled departures at each local time. Times used on fewer than one flight in ten are not listed.
A 08:24 departure sits in the 8am–11am window. Across every US flight scheduled in that window the on-time rate is 83.9%, and YX 3561 runs 8 points better at 92.1%. Early departures usually start with an aircraft that has not flown yet that day, which is most of why the window does well.
Timetable by Aviasales, a Travelpayouts partner. Booking through it may earn this site a commission at no cost to you; it changes no figure here.
Against the route
YX 3561 next to IAD to IND
Every carrier on IAD to IND combined arrived on time 83.8% of the time across 984 flights, so YX 3561 is 8 points ahead of it. Republic flew 935 flights on the same city pair under all its flight numbers, including this one, and those ran 84.3% on time. Across its whole network Republic Airways managed 78.1%, which this flight beats by 14 points.
| Compared with | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| YX 3561thin sample | 317 | 92.1% | 59 min | 0.63% | A+ |
| All Republic Airways on IAD–IND | 935 | 84.3% | 93 min | 1.18% | B |
| All carriers on IAD–IND | 984 | 83.8% | 88 min | 1.12% | B |
| Republic Airways, whole network | 364,452 | 78.1% | 74 min | 4.55% | B− |
Across the year
YX 3561 quarter by quarter
Quarter by quarter YX 3561 held fairly steady: 89.2% in Oct–Dec 2025, 96.7% in Jan–Mar 2026, 95.1% in Apr–Jun 2026 and 88.7% in Jul–Sep 2026. A spread of 8 points is about what a sample of this size moves on its own, so the annual figure is a fair summary.
- Jul–Sep 202529 flights—
- Oct–Dec 202583 flights89.2%
- Jan–Mar 202662 flights96.7%
- Apr–Jun 202681 flights95.1%
- Jul–Sep 202662 flights88.7%
Scale runs 80% to 100%. Rows with fewer than 30 flights show a dash.
By weekday, YX 3561 ranged from 88.9% on Saturday to 95.8% on Friday. With about 45 flights behind each day, a spread of 7 points is inside normal variation, so the day you fly is not worth changing for this flight.
Arrival by arrival
How late YX 3561 runs when it is late
YX 3561 often beats the schedule: 127 of 315 completed flights, 40%, arrived 15 minutes or more early. The 25 late arrivals split 9 under half an hour, 10 between 30 and 60 minutes, and 6 an hour or more.
- 15+ min early127 flights40.3%
- Within 15 min163 flights51.7%
- 15–29 min late9 flights2.9%
- 30–59 min late10 flights3.2%
- 1–2 hours late3 flights1.0%
- 2+ hours late3 flights1.0%
Scale runs 0% to 100%.
Share of 315 completed flights by arrival against schedule.
Time lost at the gate mostly stays lost. Of 24 departures that left 15 minutes late or more, only 2 made it up before arrival. Only 3 left on time and still arrived late.
The worst days
Worst days for YX 3561
The latest arrival of the period was on 19 July 2026, 5 hours 26 minutes behind schedule; most of its delay minutes were filed as a late-arriving aircraft. The five worst days are spread across July, June, December and September, with no single month standing out.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 19 July 2026 | 5 hours 26 minutes | Late-arriving aircraft |
| 12 June 2026 | 2 hours 33 minutes | Carrier |
| 5 December 2025 | 2 hours 16 minutes | Extreme weather |
| 6 September 2025 | 1 hour 35 minutes | Late-arriving aircraft |
| 13 September 2025 | 1 hour 20 minutes | Carrier |
Delay causes
Why YX 3561 runs late
Late-arriving aircraft accounts for 47% of the 1,469 delay minutes carriers reported here, and the remaining four split what is left.
- 47%Late-arriving aircraft
- 33%Carrier
- 11%National Airspace System
- 9%Extreme weather
47% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 1,469 reported delay minutes here, that single category outweighs weather by 5 to one. The split is drawn from 1,469 delay minutes reported on YX 3561.
Cancellations are rare at 0.63%, below the national 1.89% and low enough to earn the plus on the grade. Roughly one flight in 100 is called off; the risk here is arriving late, not not arriving.
Connections and routes
What a delay on this flight costs
Badly late arrivals are rare here: only 1.9% land an hour or more behind schedule, against 8.3% nationally. Connections built on this flight are about as safe as US domestic connections get, though a cancelled flight still ignores every layover you give it.
The same number turns up on six other city pairs in the data, including EWR to JAX (23), IND to ORD (21) and EWR to BOS (3), but none flew often enough under YX 3561 to report a rate for. Carriers move flight numbers between routes, so the figures on this page apply to IAD to IND only.
One caution: this is a thin sample. 317 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.
What to do with this
Booking YX 3561
For a booking, YX 3561 has one of the better records a US domestic flight can show: 92.1% on time and 0.63% cancelled. That is a base rate, not a promise about any single day.
Related
Where to go next
- IAD to IND, every carrier and departure
- IND to IAD, the return direction
- Republic Airways 3543 on the same route84.8%
- Washington Dulles International (IAD) delay statistics
- Indianapolis International (IND) delay statistics
- Republic Airways on-time record
- Every Republic Airways flight number with a record
- The most and least reliable flight numbers in the US
- Why the first flight of the morning is statistically safest
A flight number here means Republic Airways’s own number as it reports to the DOT. How the figures are computed is on the methodology page.
Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.