ON TIMEBOARD

PHX → DCA on time

Phoenix Sky Harbor (Phoenix, AZ) to Washington Reagan National (Washington, DC). Every scheduled flight, September 2025 to August 2026.

On time
80%
arrived < 15 min late
Cancelled
1.5%
1,086 flights
Typical arrival
−7 min
median vs schedule
When late
+63 min
average delay
Flights / day
3
1 airline

80% of flights from Phoenix to Washington arrived on time over the past 12 months. That is about the typical U.S. route. The 11 p.m. departures ran on time 86% of the time; the noon ones 67%. 7% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for PHX → DCA: when a flight was late, it was under 45 minutes late 57% of the time. About 1 in 21 flights landed an hour or more late, and 1 in 121 three hours or more; 1.5% were cancelled outright.

Share of all 1,086 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines1,08680%1.5%−7 min4.7%+63 minAmerican Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at PHX). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%12 a.m. departures: too few flights (96 flights)12a1 a.m. departures: too few flights (24 flights)1a2 a.m. departures: too few flights2a3 a.m. departures: too few flights3a4 a.m. departures: too few flights4a5 a.m. departures: too few flights5a6 a.m. departures: too few flights6a7 a.m. departures: too few flights7a8 a.m. departures: 81% on time (238 flights)818a9 a.m. departures: 84% on time (126 flights)849a10 a.m. departures: too few flights10a11 a.m. departures: too few flights11anoon departures: 67% on time (141 flights)6712p1 p.m. departures: 79% on time (128 flights)791p2 p.m. departures: too few flights (94 flights)2p3 p.m. departures: too few flights3p4 p.m. departures: too few flights4p5 p.m. departures: too few flights5p6 p.m. departures: too few flights6p7 p.m. departures: too few flights7p8 p.m. departures: too few flights8p9 p.m. departures: too few flights9p10 p.m. departures: too few flights10p11 p.m. departures: 86% on time (239 flights)8611p
PHX → DCA, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

Last flight of the day

On PHX → DCA, each airline's last flight of the day was cancelled 1.9% of the time, against 1.3% for its earlier flights (1.5× as often). It arrived 3+ hours late 0.3% of the time (earlier flights: 1.1%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
American Airlines11:45 p.m.1.9%0.3%1.3%first flight 8:38 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

If you need to be in DCA tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: April (88%). Worst: July (74%).

40%70%100%Jan: 83% on time (276 flights)83JanFeb: 85% on time (255 flights)85FebMar: 76% on time (282 flights)76MarApr: 88% on time (270 flights)88AprMay: 82% on time (279 flights)82MayJun: 80% on time (270 flights)80JunJul: 74% on time (277 flights)74JulAug: 87% on time (279 flights)87AugSep: 87% on time (270 flights)87SepOct: 87% on time (279 flights)87OctNov: 87% on time (260 flights)87NovDec: 87% on time (272 flights)87Dec

By day of week

DayFlightsOn timeCancelled
Monday15979%0.6%
Tuesday15581%2.6%
Wednesday15582%0.7%
Thursday15583%1.3%
Friday15475%1.9%
Saturday15385%1.3%
Sunday15575%1.9%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 39%Airline (crew, maintenance, ops) 35%Air traffic & airport (NAS) 24%Severe weather 2%

Cancellations: weather 14 · air traffic/airport 2

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
AA 31918:30 a.m.18181%0.5%−6 minAmerican Airlines
AA 154211:45 p.m.13883%2.2%−8 minAmerican Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Jun 26, 202630%0
May 25, 202630%0
Jul 18, 202630%1
Jul 21, 202630%1
Jan 27, 202630%2

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Phoenix or Washington. PHX → IAD has been 5 points more reliable.

RouteFlightsOn timeCancelled
PHX → DCA (this route)1,08680%1.5%
PHX → IAD Phoenix Sky Harbor to Washington Dulles97985%0.6%
PHX → BWI Phoenix Sky Harbor to Baltimore/Washington1,22078%0.9%

Questions

How often are flights from PHX to DCA on time?

80% of 1,086 scheduled flights from Phoenix, AZ to Washington, DC arrived within 15 minutes of schedule between September 2025 and August 2026. 1.5% were cancelled.

What is the best time of day to fly PHX to DCA?

Flights scheduled to leave at 11 p.m. were the most reliable (86% on time). The noon departures were the least (67%).

What month has the most delays from PHX to DCA?

July (74% on time). The best month is April (88%), over 2023–2026.

Is the last flight of the day from PHX to DCA more likely to be cancelled?

Yes. Each airline's last PHX–DCA flight of the day was cancelled 1.9% of the time over the past year, against 1.3% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.