Washington (DCA) to Buffalo (BUF): On-Time Performance
Data through May 2026
The biggest risk when flying DCA to BUF isn't a late arrival — it's not departing at all. 4.8% of scheduled flights on this route were cancelled, several times the typical US rate. When flights do go, 68% land on time, below the national average of 78%. Envoy Air has been the safer pick, arriving on time 76% of the time.
- On-time
- 68%
- arrived <15 min late
- Avg delay
- 25 min
- completed flights
- Cancelled
- 4.8%
- Flights/day
- 3.3
- last 12 months
- Duration
- 1h 24m
- scheduled
- Distance
- 296 mi
Best airline from DCA to BUF
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 76% | 16 min | 3.7% | 269 |
| Republic Airways | 69% | 17 min | 6.5% | 341 |
| PSA Airlines | 66% | 28 min | 4.7% | 1,842 |
Monthly on-time trend
Best time to fly from DCA to BUF
Aim for departures around 11 a.m. (87% on-time); avoid 10 p.m. departures (52%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 71% | 23 min |
| Tuesday | 67% | 22 min |
| Wednesday | 67% | 21 min |
| Thursday | 68% | 29 min |
| Friday | 62% | 32 min |
| Saturdaybest | 75% | 24 min |
| Sunday | 65% | 26 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft58%
- Airline operations23%
- National airspace system11%
- Weather8%
Frequently asked questions
- How often are flights from DCA to BUF delayed?
- 33% of DCA–BUF 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 25 minutes.
- Which airline is most reliable from DCA to BUF?
- Envoy Air has the best on-time record on this route at 76%, based on 269 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 (52%). 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 33% of the time.
- How often are DCA to BUF flights cancelled?
- 4.8% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — 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.
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Based on 2,476 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.