Skip to content

All Products

Aviation Intelligence

Alerts & Airspace

Free Pilot Tools & Widgets

RC Aviation

Games & Learning

Weather Research & More

Pilot Resources

My Airports

Your shortcuts, saved on this device. Search to add an airport.

No airports saved yet. Add the fields you visit most.

Ask ATIS

Route on-time record

BWI to ROC: most on-time flights and the best time to fly

Baltimore (Baltimore/Washington International Thurgood Marshall Airport) to Rochester (Frederick Douglass Greater Rochester International Airport). 1,105 nonstop flights in Jun 2025 to May 2026, 75% arrived within 15 minutes and 1.7% were cancelled. The most reliable flight number was Southwest 1287 at 10:40 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

BWI → ROC

Baltimore to Rochester: 1,105 nonstop flights a year

On time (12 months)

75%

Cancelled

1.7%

avg delay 14 min

Best time to leave

9 AM to noon

85% on time vs 62% after 9 PM

Most reliable airline

Southwest

74% chance on time

Check BWI to ROC 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 · Southwest 1287

    10:40 AM → 11:55 AM1h 15m nonstop

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

    84%

    chance on time

    On time (history)
    87%
    Cancelled
    0.0%
    Avg arrival delay
    6 min
    • Arrived on time 87% of the time (55 flights, Jun 2025 to May 2026).
    • Never cancelled in 55 scheduled flights.
    • Leaves in this route's most on-time window (9 AM to noon: 85% on time; After 9 PM: 62%).
    • Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).

    Limited track record · 55 flights

    Find Southwest 1287 fares Opens this date on Aviasales

  2. #2 · Southwest 3880

    10:30 AM → 11:45 AM1h 15m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    84%

    chance on time

    On time (history)
    89%
    Cancelled
    0.0%
    Avg arrival delay
    4 min
    • Arrived on time 89% of the time (28 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (9 AM to noon: 85% on time; After 9 PM: 62%).
    • Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).
    • Short track record (28 flights), so its score leans on the airline's record at this hour.

    Limited track record · 28 flights

    Find Southwest 3880 fares Opens this date on Aviasales

  3. #3 · Southwest 568

    4:00 PM → 5:15 PM1h 15m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    78%

    chance on time

    On time (history)
    82%
    Cancelled
    0.0%
    Avg arrival delay
    13 min
    • Arrived on time 82% of the time (28 flights, Jun 2025 to May 2026).
    • Departs inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
    • 58% of its delay minutes came from the plane arriving late from an earlier flight.
    • Short track record (28 flights), so its score leans on the airline's record at this hour.

    Limited track record · 28 flights

    Find Southwest 568 fares Opens this date on Aviasales

  4. #4 · Southwest 2759

    3:20 PM → 4:35 PM1h 15m nonstop

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

    77%

    chance on time

    On time (history)
    79%
    Cancelled
    0.0%
    Avg arrival delay
    17 min
    • Arrived on time 79% of the time (53 flights, Jun 2025 to May 2026).
    • Never cancelled in 54 scheduled flights.
    • Departs inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
    • Short track record (53 flights), so its score leans on the airline's record at this hour.

    Limited track record · 53 flights

    Find Southwest 2759 fares Opens this date on Aviasales

  5. #5 · Southwest 2758

    9:50 PM → 11:10 PM1h 20m nonstop

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

    58%

    chance on time

    On time (history)
    49%
    Cancelled
    0.0%
    Avg arrival delay
    26 min
    • Arrived on time 49% of the time (55 flights, Jun 2025 to May 2026).
    • Never cancelled in 55 scheduled flights.
    • Leaves in this route's least on-time window (After 9 PM: 62% on time; 9 AM to noon: 85%).
    • Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).

    Limited track record · 55 flights

    Find Southwest 2758 fares Opens this date on Aviasales

  6. #6 · Southwest 1730

    10:35 PM → 11:55 PM1h 20m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    53%

    chance on time

    On time (history)
    38%
    Cancelled
    0.0%
    Avg arrival delay
    33 min
    • Arrived on time 38% of the time (32 flights, Jun 2025 to May 2026).
    • Never cancelled in 33 scheduled flights.
    • Leaves in this route's least on-time window (After 9 PM: 62% on time; 9 AM to noon: 85%).
    • Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).

    Limited track record · 32 flights

    Find Southwest 1730 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Southwest Airlines74%

    1,105 flights · 75% on time as flown · 1.7% cancel

On time by departure time

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

  • 9 AM to noon85%

    366 flights · avg delay 8 min

  • Noon to 3 PM80%

    141 flights · avg delay 13 min

  • 3 to 6 PM74%

    231 flights · avg delay 17 min

  • 6 to 9 PM68%

    88 flights · avg delay 16 min

  • After 9 PM62%

    279 flights · avg delay 20 min

Best day: Tuesday (76%). Worst: Saturday (70%).

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
76
F
81
M
75
A
75
M
71
J
60
J
50
A
67
S
83
O
84
N
83
D
72

What delays this route

  • Late-arriving aircraft46%
  • Airline (crew, maintenance, boarding)34%
  • Air traffic control and airport volume13%
  • Severe weather7%

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 BWI to ROC…

BWI to ROC questions

What time of day is best to fly BWI to ROC?
9 AM to noon: 85% of flights arrived on time, against 62% for departures after 9 PM.
Which airline is most on time from BWI to ROC?
Southwest, with a season-adjusted 74% chance of operating and arriving on time over 1,105 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 BWI to ROC?
July (50% on time); the best was October (84%), 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 BWI

Live status: FAA delays and ground stops