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United Airlines

UA1240Dallas-Fort Worth to Washington

United Airlines flight UA1240 flies from Dallas-Fort Worth (DFW) to Washington Dulles (IAD), 1,882 km. Over August 2025 to July 2026 it usually arrives about 10 minutes late: 77% of 348 flights arrived within 15 minutes of schedule and 1.1% were cancelled (US Department of Transportation data).

On-time record, last 12 months

77%
on time (within 15 min)
16%
more than 30 min late
1.1%
cancelled
+10 min
average arrival vs schedule

Every operation of UA1240, August 2025 to July 2026: 348 flights. Source: US Bureau of Transportation Statistics, public domain.

Routes flown as UA1240

Other flights from Dallas-Fort Worth to Washington

UA2639UA358AA1132AA1291AA1863AA1904AA1906AA2131AA2414AA2756AA2856AA524

More about Dallas-Fort Worth (DFW) and Washington Dulles (IAD).

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UA1240 is on time 77% of the time
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