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Any day
Tuesday, October 6 · our forecast odds · issued Sun 7:00 PM ET · connections flying that day

Tue, Oct 6: American via O'Hare, leaving 00:11, is the safest bet: 88% chance of reaching Washington on time.

Nonstops that day

All 2 nonstops →
WN 4555 Southwest LAS 10:17 DCA 17:58 14% 2% 0.4% no record
AA 1525 American LAS 11:36 DCA 19:19 16% 5% 0.7% no record

Best connections that day, one ticket

Most reliable Quickest (80%+ on time)

Ranked by chance you reach Washington on time, from each leg’s forecast for the day. Total trip = scheduled departure to arrival (Washington is 3 h ahead of Las Vegas). Layovers up to 4 hours. Pick a connection for its 12-month details.
UnitedDetails → LAS 00:54 → IAH 06:13UA 2009 1h 24m Houston IAH 07:37 → DCA 11:51UA 512 7h 57m 100% 93%
DeltaDetails → LAS 00:28 → MSP 05:26DL 2834 2h 10m Minneapolis MSP 07:36 → DCA 11:00DL 2958 7h 32m 98% 92%
DeltaDetails → LAS 00:44 → DTW 07:29DL 502 2h 31m Detroit DTW 10:00 → DCA 11:28DL 2476 7h 44m 99% 91%
AmericanDetails → LAS 00:11 → ORD 05:48AA 3077 3h 04m Chicago ORD 08:52 → DCA 12:00AA 523 8h 49m 99% 90%
DeltaDetails → LAS 06:00 → SLC 08:19DL 2674 2h 10m Salt Lake City SLC 10:29 → DCA 16:35DL 820 7h 35m 99% 88%
DeltaDetails → LAS 09:35 → JFK 17:59DL 333 3h 21m New York JFK 21:20 → DCA 22:59DL 5743 · flown by Republic 10h 24m 99% 88%
DeltaDetails → LAS 11:57 → MSP 16:57DL 2262 3h 33m Minneapolis MSP 20:30 → DCA 23:56DL 2961 8h 59m 98% 88%
DeltaDetails → LAS 06:19 → MSP 11:22DL 1282 3h 15m Minneapolis MSP 14:37 → DCA 18:09DL 2963 8h 50m 98% 87%
How these are worked out. Each flight’s odds are our forecast for that day; flights of airlines we don’t forecast yet use their 12-month record and are marked. Makes the connection: the first flight’s 12-month lateness curve, scaled so its chance of arriving 15+ min late matches the day’s forecast, at the layover minus the 45-minute minimum (90 on separate tickets). Arrives on time: first flight not cancelled × connection made × second flight not cancelled × second flight within 15 minutes, each from the day’s forecast.

About this data: forecast odds from our model for Tue, Oct 6 (newest published update); 12-month records from US DOT on-time data, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. JSON