Carrier route record
YXDCA→LGA
Republic Airways · Washington to New York
- Flights
- 4,703
- Period
- September 2025 to August 2026
- Share of route
- 97%
- Carriers
- 3
Historical statistics for September 2025 to August 2026, not live status. For today’s flights, check with Republic Airways.
Republic on DCA to LGA carries a cancellation problem, not just a delay problem: 6.5% of scheduled flights never operate, against 1.9% nationally. Of the ones that do fly, about two flights in three arrive on time, worth a C− overall. The punctuality figure counts only flights that actually departed, so it flatters an operation that cancels this often. That rests on 4,703 flights, with a median arrival right on schedule.
The national on-time rate over the same period is 77.3%, so Republic on DCA to LGA runs 12 points behind the country as a whole. Across a thousand flights that is about 122 extra late arrivals.
Key figures
On time
65.1%
Arrivals under 15 minutes late, of 4,390 completed flights
Avg delay
78 min
Across delayed arrivals only, not all flights
Cancelled
6.53%
National rate is 1.89%
Whole route
65.6%
Every carrier on DCA to LGA, 4,843 flights
These figures cover 4,703 flights between September 2025 and August 2026. Beyond the headline rate, 14.8% of arrivals land a full hour or more behind schedule, against 8.3% nationally.
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Carrier by carrier
Republic against every carrier on DCA to LGA
Republic flew 4,703 of the 4,843 flights on DCA to LGA, most of the route. Its 65.1% on time is about level with the route as a whole at 65.6%. Ranked by on-time rate it is number two of three carriers on the route, where the range runs from Delta at 89.3% to American at 52.2%. Two of those carriers flew fewer than 365 flights here, so treat their positions as rough.
Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Delta Air Linesthin sample | 116 | 89.3% | 131 min | 3.45% | A− |
| Republic Airways (this page) | 4,703 | 65.1% | 78 min | 6.53% | C− |
| American Airlinesthin sample | 24 | 52.2% | 80 min | 4.17% | F− |
Flight by flight
Republic flight numbers on DCA to LGA
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.
Departure window
When Republic runs best on this route
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 37 points, against half a point between the best and worst carrier.
- 5am–8am527 flights85.2%
- 8am–11am851 flights78.2%
- 11am–2pm872 flights69.4%
- 2pm–5pm614 flights60.7%
- 5pm–8pm1,234 flights48.2%
- 8pm–5am605 flights58.5%
Scale runs 40% to 90%.
The 5pm–8pm window is where this operation falls apart: 48.2% on time, against 85.2% for the 5am–8am slot. By evening the aircraft flying these rotations have absorbed a full day of small delays and there is no slack left to recover in. The 5pm–8pm window is the busiest, with 1,234 flights scheduled in it.
Across the year
Republic on DCA to LGA through the year
Delays peak in March, when the on-time rate falls to 53.1%. January is the strongest month at 78.4%. Moving a flexible trip across that boundary buys 25 points. March was the busiest month here, with 436 flights.
Across the week, Saturday is the strongest day at 81.0% on time and Thursday the weakest at 57.4%, a spread of 24 points.
Arrival by arrival
How late Republic on DCA to LGA runs when it is late
The 1,534 late arrivals split 419 under half an hour, 466 between 30 and 60 minutes, and 649 an hour or more.
- 15+ min early961 flights21.9%
- Within 15 min1,895 flights43.2%
- 15–29 min late419 flights9.5%
- 30–59 min late466 flights10.6%
- 1–2 hours late375 flights8.5%
- 2+ hours late274 flights6.2%
Scale runs 0% to 100%.
Share of 4,390 completed flights by arrival against schedule.
151 of 1,191 late departures made up the time and arrived on time, 13% of them. In the other direction, 494 flights left on time yet arrived 15 minutes late or more, so that delay built up after pushback: in the air, in a holding pattern or on the ground at LGA.
The worst days
Worst days for Republic on DCA to LGA
The latest arrival of the period was on 18 July 2026, 19 hours 3 minutes behind schedule; most of its delay minutes were filed as carrier-caused (crew, maintenance, fuelling, baggage). The same cause led on three of the five worst days.
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 18 July 2026 | 19 hours 3 minutes | Carrier |
| 18 July 2026 | 14 hours 48 minutes | Carrier |
| 24 February 2026 | 13 hours 13 minutes | National Airspace System |
| 1 February 2026 | 12 hours 54 minutes | Carrier |
| 10 June 2026 | 12 hours 20 minutes | National Airspace System |
Delay causes
Why Republic runs late on this route
National Airspace System accounts for 45% of the 119,000 delay minutes carriers reported here, and the remaining four split what is left.
- 45%National Airspace System
- 32%Late-arriving aircraft
- 17%Carrier
- 6%Extreme weather
- 0%Security
45% of delay minutes are charged to the National Airspace System: air traffic volume, runway configuration, ground stops. No carrier can price its way out of that, which is why airport choice moves the number here more than carrier choice does. That is 54,000 minutes out of 119,000, against a national NAS share of 21%. The split is drawn from 119,308 reported delay minutes.
The practical consequence: the 5am–8am departure is the one that starts clean. Its aircraft has no earlier leg to be late from, which is exactly why that window shows 85.2% on time here.
Cancellations run at 6.53%, against 1.89% nationally. That is about one flight in fifteen cancelled outright. A cancelled flight is invisible in every on-time figure on this page, so the punctuality numbers above describe only the flights that actually operated.
Connections and stage length
What a delay here costs
14.8% of arrivals land a full hour or more behind schedule, against 8.3% nationally. Ninety minutes is the honest minimum for a connection here, and two hours if the onward flight is on a separate ticket.
At 214 miles this is a short hop, and stage length matters more than it looks. A flight this short spends under two hours in the air, which leaves almost nothing to claw back a late pushback with. Delay here is decided on the ground, in the turn, which is why the 5am–8am window matters as much as it does.
The return leg runs 65.7% on time across 4,699 flights, within half a point of this direction. The two legs are scored separately because they usually differ; on this city pair they happen not to.
The sample behind these figures is 4,703 flights, enough that the headline rate is stable to within roughly a point. The hour-block and month splits divide that further, so read the thinner bars with more caution than the headline.
What to do with this
Booking Republic on DCA to LGA
Put together: the delay figures matter less here than the 6.53% cancellation rate. A late arrival costs you a little over an hour; a cancelled flight costs you the day. Book the 5am–8am departure so there is still a schedule behind you if it goes wrong, and treat a same-day connection as optimistic. 4,390 completed flights over 12 months sit behind that.
Related
Where to go next
- DCA to LGA, every carrier
- Republic on LGA to DCA, the return leg
- Delta Air Lines on DCA to LGA89.3%
- Republic Airways network-wide record
- Ronald Reagan Washington National (DCA) delay statistics
- LaGuardia (LGA) delay statistics
- The US routes with the most cancellations
- The best time of day to fly, according to 7.05 million flight records
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.