FlightRecord

Washington (DCA) to Buffalo (BUF): On-Time Performance

Data through July 2026

The biggest risk when flying DCA to BUF isn't a late arrival — it's not departing at all. 5.3% of scheduled flights on this route were cancelled, several times the typical US rate. When flights do go, 66% land on time, below the national average of 78%. Envoy Air has been the safer pick, arriving on time 75% of the time.

On-time
66%
arrived <15 min late
Avg delay
27 min
completed flights
Cancelled
5.3%
Flights/day
3.1
last 12 months
Duration
1h 24m
scheduled
Distance
296 mi

Best airline from DCA to BUF

3 airlines flew this route regularly between 2024-07 and 2026-07.

AirlineOn-timeAvg delayCancelledFlights
Envoy Airmost reliable75%16 min3.7%294
Republic Airways68%19 min6.5%337
PSA Airlines65%30 min5.4%1,899

Monthly on-time trend

Monthly on-time percentage for DCA to BUF flights50%75%100%August 2024: 62% on-time (114 flights)62Aug 2024September 2024: 79% on-time (116 flights)79October 2024: 82% on-time (119 flights)82November 2024: 82% on-time (90 flights)82Nov 2024December 2024: 66% on-time (101 flights)66January 2025: 60% on-time (114 flights)60February 2025: 42% on-time (92 flights)42Feb 2025March 2025: 69% on-time (88 flights)69April 2025: 62% on-time (113 flights)62May 2025: 70% on-time (119 flights)70May 2025June 2025: 67% on-time (116 flights)67July 2025: 63% on-time (119 flights)63August 2025: 72% on-time (119 flights)72Aug 2025September 2025: 81% on-time (116 flights)81October 2025: 76% on-time (96 flights)76November 2025: 57% on-time (88 flights)57Nov 2025December 2025: 58% on-time (89 flights)58January 2026: 57% on-time (93 flights)57February 2026: 51% on-time (81 flights)51Feb 2026March 2026: 55% on-time (89 flights)55April 2026: 74% on-time (89 flights)74May 2026: 63% on-time (93 flights)63May 2026June 2026: 61% on-time (90 flights)61July 2026: 55% on-time (91 flights)55

Best time to fly from DCA to BUF

Aim for departures around 11 a.m. (87% on-time); avoid 10 p.m. departures (50%).

On-time percentage by scheduled departure hour, DCA to BUF9 a.m.: 74% on-time (127 flights)910 a.m.: 76% on-time (568 flights)1011 a.m.: 87% on-time (195 flights)1112 p.m.: 74% on-time (163 flights)121 p.m.: 66% on-time (38 flights)132 p.m.: 60% on-time (74 flights)143 p.m.: 61% on-time (651 flights)158 p.m.: 77% on-time (68 flights)2010 p.m.: 50% on-time (641 flights)22scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday68%25 min
Tuesday66%22 min
Wednesday66%21 min
Thursday66%30 min
Friday60%35 min
Saturdaybest73%27 min
Sunday64%27 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft56%
  • Airline operations23%
  • National airspace system12%
  • Weather9%

Frequently asked questions

How often are flights from DCA to BUF delayed?
34% of DCA–BUF flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 27 minutes.
Which airline is most reliable from DCA to BUF?
Envoy Air has the best on-time record on this route at 75%, based on 294 flights. 3 airlines flew DCA–BUF frequently enough to compare in this period.
What is the best time of day to fly from DCA to BUF?
Departures around 11 a.m. have the best record (87% on-time), while departures around 10 p.m. have the worst (50%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from DCA to BUF?
The scheduled DCA–BUF flight time averages 1h 24m over 296 miles. Actual arrival times vary — flights on this route land 15+ minutes late 34% of the time.
How often are DCA to BUF flights cancelled?
5.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
What is the worst month to fly from DCA to BUF?
February 2025 was the roughest month in this dataset, with only 42% of arrivals on time. The best was October 2024 at 82%. If your dates are flexible, that 41-point gap is worth planning around.

Based on 2,550 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.