465 km · Domestic

Washington Dulles (IAD) – Frederick Douglass Greater Rochester (ROC)

In July 2026, 2 flights operated between Washington Dulles and Frederick Douglass Greater Rochester (both directions), and 100.0% left on time, according to the US BTS.

Flights per month

Only complete months are shown. A month appears once the source has published every day of it.

The most recent periods16 periods
PeriodFlights operated 2025Flights operated 2026Change vs last year
January4934▼ 30.6%
February2241▲ 86.4%
March157▲ 5,600.0%
April–––
May4––
June112▼ 81.8%
July562▼ 96.4%
August62––
September1––
October7–in progress
November39––
December33––

On-time departures by month

Departures within 15 minutes of schedule.

The most recent periods16 periods
PeriodOn-time departures 2025On-time departures 2026Change vs last year
January79.6%85.3%▲ 7.2%
February90.9%90.2%▼ 0.8%
March100.0%82.5%▼ 17.5%
April–––
May100.0%––
June45.5%100.0%▲ 119.8%
July71.4%100.0%▲ 40.1%
August87.1%––
September100.0%––
October85.7%–in progress
November84.6%––
December84.8%––

Cancelled flights by month

The most recent periods16 periods
PeriodCancelled flights 2025Cancelled flights 2026Change vs last year
January23▲ 50.0%
February00–
March01–
April–––
May0––
June10▼ 100.0%
July40▼ 100.0%
August0––
September0––
October0–in progress
November1––
December0––

Airlines on this route

  1. Republic Airways 88.5%
  2. United Airlines 11.5%

Dec 1, 2024 – Jul 31, 2026

By direction

IAD → ROC

Scheduled flights
215
Flights operated
209
Cancelled
6 · 2.8%
On-time departures
75.1%

ROC → IAD

Scheduled flights
244
Flights operated
238
Cancelled
6 · 2.5%
On-time departures
85.3%

IAD → ROC and ROC → IAD counted separately.

Airlines on this route

Dec 1, 2024 – Jul 31, 2026
AirlineScheduled flights Share On-time departures Cancelled
Republic Airways YX 406 88.5% 83.2% 12
United Airlines UA 53 11.5% 60.4% 0

Shares are of scheduled flights in the period shown. Codeshare flights are counted once, under the operating airline.

Flight timing & delays

Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.

Times are local to the departure airport of each flight; both directions are combined.

US domestic sectors recorded by BTS

Source: the US BTS · Dec 18, 2024 → Jul 3, 2026

Lowest average delay06:00–07:0010.1min · 229 recorded · 223 measured
Recorded flights459IAD–ROC

Departure hour

On-time departures Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · 86.1% · 229 recorded · 223 measured · Source: the US BTS 07:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 4 recorded · 4 measured · Source: the US BTS 09:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 10:00 · Fewer than 200 measured departures · 7 recorded · 7 measured · Source: the US BTS 11:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 12:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 13:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 14:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 15:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · Fewer than 200 measured departures · 95 recorded · 93 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 8 recorded · 8 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 116 recorded · 112 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Average departure delay Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · 10.1 min · 229 recorded · 223 measured · Source: the US BTS 07:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · Fewer than 200 measured departures · 4 recorded · 4 measured · Source: the US BTS 09:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 10:00 · Fewer than 200 measured departures · 7 recorded · 7 measured · Source: the US BTS 11:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 12:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 13:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 14:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 15:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · Fewer than 200 measured departures · 95 recorded · 93 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 19:00 · Fewer than 200 measured departures · 8 recorded · 8 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · Fewer than 200 measured departures · 116 recorded · 112 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
00:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 01:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 02:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 03:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 04:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 05:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 06:00 · 229 · 229 recorded · 223 measured · Source: the US BTS 07:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 08:00 · 4 · 4 recorded · 4 measured · Source: the US BTS 09:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 10:00 · 7 · 7 recorded · 7 measured · Source: the US BTS 11:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 12:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 13:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 14:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 15:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 16:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 17:00 · 95 · 95 recorded · 93 measured · Source: the US BTS 18:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 19:00 · 8 · 8 recorded · 8 measured · Source: the US BTS 20:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 21:00 · No observations · 0 recorded · 0 measured · Source: the US BTS 22:00 · 116 · 116 recorded · 112 measured · Source: the US BTS 23:00 · No observations · 0 recorded · 0 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

View the figures
Departure hourOn-time departuresAverage departure delayWith departure timeRecorded flights
00:00No observations———
01:00No observations———
02:00No observations———
03:00No observations———
04:00No observations———
05:00No observations———
06:0086.1%10.1 min223229
07:00No observations———
08:00Fewer than 200 measured departures—44
09:00No observations———
10:00Fewer than 200 measured departures—77
11:00No observations———
12:00No observations———
13:00No observations———
14:00No observations———
15:00No observations———
16:00No observations———
17:00Fewer than 200 measured departures—9395
18:00No observations———
19:00Fewer than 200 measured departures—88
20:00No observations———
21:00No observations———
22:00Fewer than 200 measured departures—112116
23:00No observations———

Day of week

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Monday · 59 · 59 recorded · 55 measured · Source: the US BTS Tuesday · 56 · 56 recorded · 52 measured · Source: the US BTS Wednesday · 65 · 65 recorded · 65 measured · Source: the US BTS Thursday · 73 · 73 recorded · 73 measured · Source: the US BTS Friday · 72 · 72 recorded · 71 measured · Source: the US BTS Saturday · 77 · 77 recorded · 77 measured · Source: the US BTS Sunday · 57 · 57 recorded · 54 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Day of weekOn-time departuresAverage departure delayWith departure timeRecorded flights
MondayFewer than 200 measured departures—5559
TuesdayFewer than 200 measured departures—5256
WednesdayFewer than 200 measured departures—6565
ThursdayFewer than 200 measured departures—7373
FridayFewer than 200 measured departures—7172
SaturdayFewer than 200 measured departures—7777
SundayFewer than 200 measured departures—5457

Month of year

Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.

Recorded flights Partial coverage: only airlines that report on-time data to the US DOT
Jan · 88 · 88 recorded · 83 measured · Source: the US BTS Feb · 63 · 63 recorded · 63 measured · Source: the US BTS Mar · 59 · 59 recorded · 58 measured · Source: the US BTS Apr · No observations · 0 recorded · 0 measured · Source: the US BTS May · 4 · 4 recorded · 4 measured · Source: the US BTS Jun · 14 · 14 recorded · 13 measured · Source: the US BTS Jul · 62 · 62 recorded · 58 measured · Source: the US BTS Aug · 62 · 62 recorded · 62 measured · Source: the US BTS Sep · 1 · 1 recorded · 1 measured · Source: the US BTS Oct · 7 · 7 recorded · 7 measured · Source: the US BTS Nov · 40 · 40 recorded · 39 measured · Source: the US BTS Dec · 59 · 59 recorded · 59 measured · Source: the US BTS

Hover, tap or focus a point to see its value, sample and source.

No bucket in this view has 200 measured departures yet. Flight counts are shown; on-time and delay charts become available when the sample is large enough.

View the figures
Month of yearOn-time departuresAverage departure delayWith departure timeRecorded flights
JanFewer than 200 measured departures—8388
FebFewer than 200 measured departures—6363
MarFewer than 200 measured departures—5859
AprNo observations———
MayFewer than 200 measured departures—44
JunFewer than 200 measured departures—1314
JulFewer than 200 measured departures—5862
AugFewer than 200 measured departures—6262
SepFewer than 200 measured departures—11
OctFewer than 200 measured departures—77
NovFewer than 200 measured departures—3940
DecFewer than 200 measured departures—5959

Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.

Recorded outcomes

  • On time 78.4% 360
  • Delayed >15 min 19.0% 87
  • Cancelled 2.6% 12
  • Missing departure time 0.0% 0

All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.

On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from the on-time rate and average delay.

Flight numbers on this route

4
Flight numbersBy direction DeparturesOn time
YX3584 ROC → IAD 57 89.1%
YX3472 ROC → IAD 53 84.3%
YX3662 IAD → ROC 53 60.0%
YX3550 ROC → IAD 50 87.8%

Flight numbers are the codes sold on tickets. On shared flights one aircraft can carry several of them. Only numbers with at least 30 flights have a page.

Monthly figures
PeriodFlights operated Change vs last yearCancelled On-time departures
July 2026 2 −96.4% 0 100.0%
June 2026 2 −81.8% 0 100.0%
March 2026 57 +5,600.0% 1 82.5%
February 2026 41 +86.4% 0 90.2%
January 2026 34 −30.6% 3 85.3%
December 2025 33 +26.9% 0 84.8%
November 2025 39 1 84.6%
October 2025 7 0 85.7%
September 2025 1 0 100.0%
August 2025 62 0 87.1%
July 2025 56 4 71.4%
June 2025 11 1 45.5%
May 2025 4 0 100.0%
March 2025 1 0 100.0%
February 2025 22 0 90.9%
January 2025 49 2 79.6%
December 2024 26 0 46.2%

How to read this chart

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