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Route on-time record

DCA to PWM: most on-time flights and the best time to fly

Washington (Ronald Reagan Washington National Airport) to Portland (Portland International Jetport). 1,148 nonstop flights in Jun 2025 to May 2026, 68% arrived within 15 minutes and 4.0% were cancelled. The most reliable flight number was American 2610 at 8:27 AM.

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DCA → PWM

Washington to Portland: 1,148 nonstop flights a year

On time (12 months)

68%

Cancelled

4.0%

avg delay 22 min

Best time to leave

9 AM to noon

74% on time vs 58% after 9 PM

Most reliable airline

American

67% chance on time

Check DCA to PWM fares

Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

  1. #1 · American 2610

    8:27 AM → 10:07 AM1h 40m nonstop

    Local times, typical schedule. Last flown 2026-05-20.

    72%

    chance on time

    On time (history)
    74%
    Cancelled
    0.0%
    Avg arrival delay
    13 min
    • Arrived on time 74% of the time (35 flights, Jun 2025 to May 2026).
    • Never cancelled in 35 scheduled flights.
    • Departs outside DCA's trouble window (1 PM to 7 PM, when 63% of its 194 ground stops and delay programs started).

    Limited track record · 35 flights

    Find American 2610 fares Opens this date on Aviasales

  2. #2 · PSA 5400 · sold as American Eagle

    2:51 PM → 4:32 PM1h 41m nonstop

    Local times, typical schedule. Last flown 2026-05-20.

    69%

    chance on time

    On time (history)
    73%
    Cancelled
    0.0%
    Avg arrival delay
    17 min
    • Arrived on time 73% of the time (44 flights, Jun 2025 to May 2026).
    • Never cancelled in 44 scheduled flights.
    • Departs inside DCA's trouble window: 63% of its 194 ground stops and delay programs started between 1 PM and 7 PM.
    • 72% of its delay minutes came from the plane arriving late from an earlier flight.

    Limited track record · 44 flights

    Find 2:51 PM flight fares Opens this date on Aviasales

  3. #3 · PSA 5366 · sold as American Eagle

    9:41 AM → 11:28 AM1h 47m nonstop

    Local times, typical schedule. Last flown 2026-05-30.

    67%

    chance on time

    On time (history)
    67%
    Cancelled
    0.0%
    Avg arrival delay
    33 min
    • Arrived on time 67% of the time (9 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (9 AM to noon: 74% on time; After 9 PM: 58%).
    • Departs outside DCA's trouble window (1 PM to 7 PM, when 63% of its 194 ground stops and delay programs started).
    • 58% of its delay minutes came from the plane arriving late from an earlier flight.

    Limited track record · 9 flights

    Find 9:41 AM flight fares Opens this date on Aviasales

  4. #4 · American 2355

    2:54 PM → 4:37 PM1h 43m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    66%

    chance on time

    On time (history)
    60%
    Cancelled
    0.0%
    Avg arrival delay
    25 min
    • Arrived on time 60% of the time (10 flights, Jun 2025 to May 2026).
    • Departs inside DCA's trouble window: 63% of its 194 ground stops and delay programs started between 1 PM and 7 PM.

    Limited track record · 10 flights

    Find American 2355 fares Opens this date on Aviasales

  5. #5 · PSA 5037 · sold as American Eagle

    10:16 PM → 11:54 PM1h 38m nonstop

    Local times, typical schedule. Last flown 2026-05-19.

    51%

    chance on time

    On time (history)
    44%
    Cancelled
    2.3%
    Avg arrival delay
    53 min
    • Arrived on time 44% of the time (43 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (After 9 PM: 58% on time; 9 AM to noon: 74%).
    • Departs outside DCA's trouble window (1 PM to 7 PM, when 63% of its 194 ground stops and delay programs started).

    Limited track record · 43 flights

    Find 10:16 PM flight fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • American Airlines67%

    630 flights · 69% on time as flown · 2.7% cancel

  • PSA Airlines (sold as American Eagle)64%

    385 flights · 66% on time as flown · 4.1% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

  • Before 9 AM74%

    102 flights · avg delay 14 min

  • 9 AM to noon74%

    336 flights · avg delay 17 min

  • Noon to 3 PM69%

    325 flights · avg delay 20 min

  • 3 to 6 PM63%

    54 flights · avg delay 19 min

  • After 9 PM58%

    311 flights · avg delay 33 min

Best day: Saturday (82%). Worst: Thursday (71%).

Smarter routing

Nearby airports that run more on time

  • IAD → PWM 84% chance on time

    Washington Dulles International Airport to Portland International Jetport · 821 flights a year · 23 mi from your airports · yours: 66%

    Rank flightsFares

  • BWI → PWM 77% chance on time

    Baltimore/Washington International Thurgood Marshall Airport to Portland International Jetport · 1,342 flights a year · 30 mi from your airports · yours: 66%

    Rank flightsFares

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

J
72
F
66
M
74
A
75
M
74
J
73
J
65
A
75
S
79
O
77
N
85
D
69

What delays this route

  • Late-arriving aircraft58%
  • Airline (crew, maintenance, boarding)26%
  • Air traffic control and airport volume12%
  • Severe weather3%

Share of delay minutes by the cause airlines report to the US DOT.

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure

Finding the most reliable connections from DCA to PWM…

DCA to PWM questions

What time of day is best to fly DCA to PWM?
9 AM to noon: 74% of flights arrived on time, against 58% for departures after 9 PM.
Which airline is most on time from DCA to PWM?
American, with a season-adjusted 67% chance of operating and arriving on time over 630 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on DCA to PWM?
July (65% on time); the best was November (85%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?
No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

More routes from DCA

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Live status: FAA delays and ground stops